Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical
Frederick, MD HVAC · #4 of 5 · 66+ yrs
At a glance
- Google rating
- 4.8★ from 1,025+ reviews
- In business
- 66+ years
- Services
- 9 HVAC services
- Service area
- Frederick, MD + 6 nearby
- Phone
- +1-240-232-8985
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a HVAC provider
Frederick, MD HVAC · #4 of 5 · 66+ yrs
Larry & Sons leads with large-volume AC repair experience and installation capacity. The company states 24/7 emergency response and online scheduling. Founded in 1960, they show 65+ years of local operation. Larry & Sons lists free estimates and financing options. Frederick's humid summers and icy winters increase HVAC demand in the area.
Full-service HVAC repair and replacement for Frederick homeowners, focused on cooling and heating systems. Website notes over 4,000+ reviews and extensive service history. Emergency Response is stated as 24/7 for urgent heating or cooling calls. Founded in 1960, operating 65+ years in the area.
Frederick, MD HVAC average is 84/100. Ranks #4 of 5 listed HVAC providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 84/100 | -1 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- Specializes in AC repair
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
83/100 | 4.8★ (1,025+) | 66+ | — | — | Ductwork & Sealing |
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best NATE-Certified Team | |
| 84/100 | 4.8★ (560+) | 89+ | — | — | Best for Furnace Repair Best Labor Warranty |
|
| 85/100 | 5.0★ (960+) | 10+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Indoor Air Quality provider
Frederick, MD Indoor Air Quality · #2 of 4 · 66+ yrs
Air purification installs are listed, with whole-home purifiers and UV-C options noted on the site.
Whole-home IAQ installs in Frederick, including purifiers, in-duct UV-C, humidifiers, and dehumidifiers.
Above the Frederick, MD Indoor Air Quality average of 83/100. Ranks #2 of 4 listed Indoor Air Quality providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 84/100 | 82/100 | +2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 835+ | +194 vs avg |
| Years in business | 66+ | 30+ | +36 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Satisfaction guarantee
- Financing available
- Free estimates
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
84/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best for UV-C Sterilization Best for Humidity Control |
|
| 82/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 79/100 | 4.9★ (575+) | 10+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a AC Repair provider
Frederick, MD AC Repair · #2 of 5 · 66+ yrs
Larry & Sons advertises 24/7 emergency and same-day AC response across Frederick. The company traces its roots to 1960, about 65+ years locally. The website lists leak detection and AC diagnostic equipment. The site notes over 4,000+ reviews across services and coupons available.
AC repair and emergency cooling response in Frederick, MD with HVAC diagnostics and leak detection. Emergency service: 24/7 and same-day response advertised. Leak detection equipment and AC diagnostics are listed on their site. Founded in 1960, about 65+ years serving local homeowners.
At the Frederick, MD AC Repair average (81/100). Ranks #2 of 5 listed AC Repair providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 81/100 | matches city average |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- You need AC refrigerant leak repair
- You need AC tune-up & maintenance
- You need commercial AC repair
- You need same-day or after-hours service
- You need to finance the work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 82/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 4.9★ (575+) | 10+ | — | — | Best NATE-Certified Shop | |
| 81/100 | 5.0★ (960+) | 10+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Emergency AC Repair provider
Frederick, MD Emergency AC Repair · #2 of 5 · 66+ yrs
Larry & Sons lists same-day AC service and 24/7 emergency scheduling. The company notes over 65+ years serving local homeowners. Larry & Sons advertises free estimates and financing options. Frederick often sees summer heat spikes, so fast AC response is important here.
Emergency AC Repair in Frederick, MD focused on fast cooling restoration. Larry & Sons lists 24/7 emergency response on its site. 65+ years serving Frederick-area homeowners. Free estimates and financing available, per their website.
At the Frederick, MD Emergency AC Repair average (81/100). Ranks #2 of 5 listed Emergency AC Repair providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 81/100 | matches city average |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- You need same-day AC repair
- You need after-hours AC repair
- You need commercial emergency AC repair
- You need same-day or after-hours service
- You need to finance the work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 84/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 79/100 | 4.8★ (560+) | 89+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Furnace Repair provider
Frederick, MD Furnace Repair · #2 of 5 · 66+ yrs
Larry & Sons advertises a focused furnace repair practice with diagnostic-first messaging. The company notes 65+ years serving homeowners. Frederick's cold winters increase no-heat calls, and the site lists emergency and same-day response. Online mentions show free estimates and financing options for larger repairs. Local review volume indicates many fast heating repairs reported.
Furnace repair and diagnostics for Frederick-area homes, including no-heat emergency work. Emergency response and same-day service are listed (advertised). Free estimates and financing options are available per the site. Years in business: 65+ years.
Above the Frederick, MD Furnace Repair average of 79/100. Ranks #2 of 5 listed Furnace Repair providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 79/100 | +2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- Specializes in furnace repair
- Specializes in emergency
- You need no-heat / emergency furnace repair
- You need gas furnace & combustion repair
- You need furnace tune-up & maintenance
- You need same-day or after-hours service
- You need to finance the work
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 84/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 79/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 77/100 | 4.8★ (560+) | 89+ | — | — | Best for Heat-Exchanger Replacement |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Furnace Replacement provider
Frederick, MD Furnace Replacement · #2 of 5 · 66+ yrs
Larry & Sons lists furnace replacement and gas-furnace work on its public service pages. The company notes service since 1960, about 65+ years. Frederick winters demand careful combustion tuning and correct condensing-furnace venting. Local reviewers mention prompt emergency responses after heating failures. Their site lists financing options and free estimates.
Larry & Sons handles gas furnace replacement and full-system installs in Frederick, MD. 65+ years serving homeowners since 1960. Advertises 24/7 emergency response. Offers financing options and free estimates per their website.
Above the Frederick, MD Furnace Replacement average of 79/100. Ranks #2 of 5 listed Furnace Replacement providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 79/100 | +2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- You need same-day furnace replacement
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best Manufacturer-Authorized Installer | |
| 78/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 76/100 | 4.8★ (560+) | 89+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Heat Pump Installation provider
Frederick, MD Heat Pump Installation · #3 of 4 · 66+ yrs
Larry & Sons lists ducted air-source heat pump installation as a core specialty. The company advertises geothermal and ground-source system work. Larry & Sons dates to 65+ years in business. Frederick homeowners face humid summers and cold winters, so heat-pump sizing matters locally. The company advertises financing options and free estimates online.
Heat pump installation and service for homeowners in Frederick, MD and nearby communities. Years in Business: 65+ years serving the region. Emergency Response: 24/7 advertised, with same-day service listed. Financing Available and Free Estimates are advertised for higher-ticket installs.
Frederick, MD Heat Pump Installation average is 84/100. Ranks #3 of 4 listed Heat Pump Installation providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 84/100 | -2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 835+ | +194 vs avg |
| Years in business | 66+ | 30+ | +36 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Financing available
- Free estimates
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 88/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 84/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 81/100 | 4.9★ (575+) | 10+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a Mini-Split Installation provider
Frederick, MD Mini-Split Installation · #3 of 5 · 66+ yrs
Larry & Sons lists free estimates and financing for high-ticket mini-split projects. Larry & Sons has 65+ years serving Frederick-area homes. Larry & Sons' local crews handle Frederick's humid summers and older colonial housing stock. Larry & Sons shows over 1,000 Google reviews on their public profile. Larry & Sons advertises 24/7 emergency response for heating and cooling.
Ductless mini-split installation and HVAC service in Frederick, MD. Free estimates and financing are listed on their website. Years in business noted as 65+ years serving local homes. Emergency response is advertised as 24/7 for urgent heating and cooling issues.
At the Frederick, MD Mini-Split Installation average (78/100). Ranks #3 of 5 listed Mini-Split Installation providers in Frederick, MD.
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 78/100 | 78/100 | matches city average |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- Emergency response: 24/7
- Satisfaction guarantee
- Financing available
- Free estimates
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
78/100 | 4.8★ (1,025+) | 66+ | — | — | — |
| 81/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 79/100 | 5.0★ (960+) | 10+ | — | — | — | |
| 78/100 | 4.9★ (575+) | 10+ | — | — | — |
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical as a AC Replacement provider
Frederick, MD AC Replacement · 66+ yrs
AC replacement specialist, with site-listed full central AC system replacement services. Larry & Sons lists over 1,000 Google reviews and recent replacement outcomes. Company history dates back 65+ years in Frederick area service. Financing and free estimates are advertised for high-ticket changeouts. Frederick's humid summer climate makes sizing and dehumidification especially important.
Full central AC system replacement and full-system installs in Frederick, MD. Specialization: Full Central AC System Replacement listed on their site. Years in business: 65+ years. Availability: Emergency Response 24/7 (advertised).
| Signal | Larry & Sons Plumbing, Heatin… | Frederick avg | Delta |
|---|---|---|---|
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 1,025+ | 780+ | +249 vs avg |
| Years in business | 66+ | 42+ | +24 vs avg |
- High Google rating (4.8★ across 1,025+ reviews)
- Long-established (66+ years in business)
- You want a top-rated provider with substantial review history (4.8★, 1,025+ reviews)
- You value a long-tenured local operator (66+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (this company) |
— | 4.8★ (1,025+) | 66+ | — | — | — |
| — | 5.0★ (960+) | 10+ | — | — | — | |
| — | 4.9★ (575+) | 10+ | — | — | — | |
| — | 4.8★ (560+) | 89+ | — | — | — |
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Published pricing
Promotions
-
$80 OFF Any Plumbing Service
As published: $80 OFF Any Plumbing Service"…t be combined with any other coupon or promotion. $80 OFF Any Plumbing Service REDEEM OFFER Expires 07/31/2026 Restrictions appl…"
Discounts
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10% off
As published: 10% off"…ontrol over your home’s energy consumption. Up To 10% Off A New Water Heater REDEEM OFFER Expires 07/31/202…" -
5% off
As published: 5% off"…least one competitor estimate for same-day visit. 5% OFF Military, First Responders, Teachers, & Seniors R…"
Financing
-
0% financing
As published: 0% financing"…promotion. Restrictions apply. Call for details. 0% Interest & No Payments For 12 Months On A New Water Heater…"
Estimates
-
Free estimates
As published: Free estimates"…hooting Guides Contact Chat text Schedule Service free estimate Service request form Back 24/7 Online Scheduling…"
Guarantees & credentials
- Lifetime Guarantee
- Satisfaction guaranteed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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What does HVAC service typically cost when working with a Frederick, MD provider like Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical?
What pricing terms does Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical publish on their website?
Does Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical do AC Repair in Frederick, MD?
Does Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical do AC Replacement in Frederick, MD?
Does Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical do HVAC Installation in Frederick, MD?
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Profile last updated July 20, 2026.