May's Heating & Air Conditioning
Frederick, MD HVAC · #1 of 5 · 10+ yrs
At a glance
- Google rating
- 5.0★ from 960+ reviews
- In business
- 10+ years
- Services
- 7 HVAC services
- Service area
- Frederick, MD + 6 nearby
- Phone
- +1-301-660-1400
May's Heating & Air Conditioning as a HVAC provider
Frederick, MD HVAC · #1 of 5 · 10+ yrs
May's leads with whole-home AC repair and Lennox system installs. Lennox Premier Dealer status appears on their website. May's notes same-day emergency response for Frederick's humid summers. May's lists a $225 annual maintenance plan with priority service and discounts.
AC repair, furnace service, and Lennox system installations across Frederick, MD. Lennox Premier Dealer status is listed on their site. Same-day emergency response is advertised for urgent no-heat or no-cool calls. Annual maintenance plan listed at $225 per year with priority service.
Above the Frederick, MD HVAC average of 84/100. Ranks #1 of 5 listed HVAC providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 85/100 | 84/100 | +1 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Authorized Lennox Premier Dealer
- Emergency response: same-day
- Financing available
- Free estimates
- Specializes in AC repair
- You need AC system replacement
- You need same-day or after-hours service
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
85/100 | 5.0★ (960+) | 10+ | — | — | — |
| 84/100 | 4.8★ (560+) | 89+ | — | — | Best for Furnace Repair Best Labor Warranty |
|
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best NATE-Certified Team | |
| 83/100 | 4.8★ (1,025+) | 66+ | — | — | Best for Ductwork & Sealing |
May's Heating & Air Conditioning as a Heat Pump Installation provider
Frederick, MD Heat Pump Installation · #2 of 4 · 10+ yrs
May's emphasizes ducted heat pump installs alongside geothermal systems. May's lists a long-standing Lennox partnership and dealer recognition. Frederick's humid summers and cold winters raise the importance of proper heat-pump sizing. May's site advertises same-day response and financing options for larger-system projects.
Ducted air-source heat pump installation serving Frederick, Maryland. Geothermal installations and ground-source systems: listed on their service pages. Same-day service: advertises same-day emergency response for urgent HVAC issues. Financing available: advertises financing options for larger-system purchases. Ten years in business: founded 2016 (10+ years).
At the Frederick, MD Heat Pump Installation average (84/100). Ranks #2 of 4 listed Heat Pump Installation providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 84/100 | 84/100 | +0 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 835+ | +126 vs avg |
| Years in business | 10+ | 30+ | -20 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- 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 (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
84/100 | 5.0★ (960+) | 10+ | — | — | — |
| 88/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 81/100 | 4.9★ (575+) | 10+ | — | — | — |
May's Heating & Air Conditioning as a Indoor Air Quality provider
Frederick, MD Indoor Air Quality · #3 of 4 · 10+ yrs
May's Heating & Air emphasizes ERV/HRV ventilation for whole-home IAQ installs. The company highlights Lennox Healthy Climate Solutions products on its site. May's reports same-day service and an annual maintenance plan priced at $225/year. May's operates in Frederick's humid summers where dehumidification often improves indoor comfort. The website lists financing availability and free estimates.
Whole-home IAQ installs for Frederick homeowners, focusing on ventilation and humidity control. ERV/HRV ventilation is listed on the site with same-day service advertised. Lennox partnership is highlighted, with Healthy Climate Solutions products named. Financing is available (advertised) and free estimates are offered.
Frederick, MD Indoor Air Quality average is 83/100. Ranks #3 of 4 listed Indoor Air Quality providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 82/100 | 82/100 | -0 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 835+ | +126 vs avg |
| Years in business | 10+ | 30+ | -20 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- Financing available
- Free estimates
- You need to finance the work
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
82/100 | 5.0★ (960+) | 10+ | — | — | — |
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best for UV-C Sterilization Best for Humidity Control |
|
| 84/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 79/100 | 4.9★ (575+) | 10+ | — | — | — |
May's Heating & Air Conditioning as a AC Repair provider
Frederick, MD AC Repair · #2 of 5 · 10+ yrs
May's Heating & Air advertises same-day emergency response for no-cooling calls. May's notes a multi-year partnership with Lennox International. May's Heating & Air reports 10+ years serving the Frederick area. May's lists a $225/year maintenance plan with priority scheduling. May's advertises financing options for larger repairs or replacements.
AC repair and diagnostics in Frederick, MD. Lennox partnership noted on their site, five-year collaboration. Annual maintenance plan is $225 per year with priority service. Same-day emergency response is advertised for urgent cooling failures.
At the Frederick, MD AC Repair average (81/100). Ranks #2 of 5 listed AC Repair providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 81/100 | matches city average |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- Financing available
- Free estimates
- You need AC tune-up & maintenance
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
81/100 | 5.0★ (960+) | 10+ | — | — | — |
| 82/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 4.9★ (575+) | 10+ | — | — | Best NATE-Certified Shop | |
| 81/100 | 4.8★ (1,025+) | 66+ | — | — | — |
May's Heating & Air Conditioning as a Emergency AC Repair provider
Frederick, MD Emergency AC Repair · #2 of 5 · 10+ yrs
May's Heating & Air states same-day emergency response for AC breakdowns. The company notes a Lennox dealer partnership. May's reports 10+ years serving local homes. Frederick's summer heat spikes increase demand for fast AC repairs locally. The $225 annual plan advertises priority service and discounted repair rates.
Emergency AC repair focused on Frederick, MD and nearby towns. Manufacturer partnership: Lennox dealer relationship stated. Emergency Response: same-day service advertised on the website. Financing Available: on-site financing options and Free Estimates listed.
At the Frederick, MD Emergency AC Repair average (81/100). Ranks #2 of 5 listed Emergency AC Repair providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 81/100 | matches city average |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- Financing available
- Free estimates
- Specializes in same day
- You need same-day AC repair
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
81/100 | 5.0★ (960+) | 10+ | — | — | — |
| 84/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 79/100 | 4.8★ (560+) | 89+ | — | — | — |
May's Heating & Air Conditioning as a Furnace Repair provider
Frederick, MD Furnace Repair · #3 of 5 · 10+ yrs
May's Heating & Air lists an annual maintenance plan at $225 per year. May's notes a Lennox partnership and a Years of Partnership award. May's advertises same-day emergency response for no-heat calls. May's has provided local HVAC service since 2016, supporting Frederick's cold winter needs.
Furnace repair in Frederick, MD, focused on heating diagnostics and maintenance. Annual maintenance plan: $225 per year, two visits and priority service. Lennox partnership: Years of Partnership award noted on their site. Emergency response: same-day service advertised for no-heat situations.
At the Frederick, MD Furnace Repair average (79/100). Ranks #3 of 5 listed Furnace Repair providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 79/100 | matches city average |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- Financing available
- Free estimates
- You need no-heat / emergency furnace repair
- You need furnace tune-up & maintenance
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
79/100 | 5.0★ (960+) | 10+ | — | — | — |
| 84/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 81/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 77/100 | 4.8★ (560+) | 89+ | — | — | Best for Heat-Exchanger Replacement |
May's Heating & Air Conditioning as a Mini-Split Installation provider
Frederick, MD Mini-Split Installation · #2 of 5 · 10+ yrs
Ductless mini-split installation work is stated prominently on May's website. The company reports ten-plus years in business (founded 2016). Frederick's hot, humid summers make efficient ductless cooling a common upgrade. Same-day service is advertised for urgent cooling needs. Financing options are listed for higher-ticket systems and installations.
Ductless mini-split installation and service in Frederick, MD. Ten-plus years in business (founded 2016). Financing options advertised, including promotions on Lennox systems. Same-day emergency service advertised for urgent cooling needs.
Above the Frederick, MD Mini-Split Installation average of 78/100. Ranks #2 of 5 listed Mini-Split Installation providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 79/100 | 78/100 | +1 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- 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 (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
79/100 | 5.0★ (960+) | 10+ | — | — | — |
| 81/100 | 4.9★ (770+) | 34+ | — | — | — | |
| 78/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 78/100 | 4.9★ (575+) | 10+ | — | — | — |
May's Heating & Air Conditioning as a Furnace Replacement provider
Frederick, MD Furnace Replacement · #3 of 5 · 10+ yrs
May's lists furnace replacement and Lennox partnership signals on its site. The company advertises an annual maintenance plan at $225 per year. May's notes same-day emergency response for urgent heating issues. Frederick winters make combustion safety and proper sizing important for reliable heating performance.
Furnace replacement in Frederick, MD, focusing on Lennox equipment and system installs. Financing options are available, per their site. Free estimates are listed on the website. Annual maintenance plan priced at $225/year for two visits is advertised.
Frederick, MD Furnace Replacement average is 79/100. Ranks #3 of 5 listed Furnace Replacement providers in Frederick, MD.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Vouched Score | 78/100 | 79/100 | -1 vs avg |
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- Emergency response: same-day
- 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 (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
78/100 | 5.0★ (960+) | 10+ | — | — | — |
| 85/100 | 4.9★ (770+) | 34+ | — | — | Best Manufacturer-Authorized Installer | |
| 81/100 | 4.8★ (1,025+) | 66+ | — | — | — | |
| 76/100 | 4.8★ (560+) | 89+ | — | — | — |
May's Heating & Air Conditioning as a AC Replacement provider
Frederick, MD AC Replacement · 10+ yrs
May's Heating & Air Conditioning advertises central AC replacements, including Lennox equipment installations. May's Heating notes service since 2016, about 10+ years in business. May's Heating offers a $225 annual maintenance plan with two visits and priority service. May's Heating says they provide financing options for higher-ticket replacements.
Central AC replacement and Lennox system installs in Frederick, Maryland. Lennox partnership noted, including a five-year collaboration celebration. Annual maintenance plan priced $225/year with two visits and priority service. Offers financing for higher-ticket replacements, per their site.
| Signal | May's Heating & Air Conditioning | Frederick avg | Delta |
|---|---|---|---|
| Google rating | 5.0★ | 4.9★ | +0.1 vs avg |
| Review volume | 960+ | 780+ | +181 vs avg |
| Years in business | 10+ | 42+ | -32 vs avg |
- High Google rating (5.0★ across 960+ reviews)
- Long-established (10+ years in business)
- You want a top-rated provider with substantial review history (5.0★, 960+ reviews)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
May's Heating & Air Conditioning (this company) |
— | 5.0★ (960+) | 10+ | — | — | — |
| — | 4.9★ (770+) | 34+ | — | — | — | |
| — | 4.9★ (575+) | 10+ | — | — | — | |
| — | 4.8★ (560+) | 89+ | — | — | — |
What customers say
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.
- 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.
- 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.
Service area
Published pricing
Maintenance plans
-
maintenance plan
As published: maintenance plan"…, we can discuss your possibilities for a routine maintenance plan . This keeps your air conditioning system operati…"
Estimates
-
Free estimates
As published: Free estimates"…s Heating & Air today by calling to request your free consultation. CALL TODAY: 301-834-1468 Request Service Your N…"
Guarantees & credentials
- Licensed and Insured
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
What are the pros of May's Heating & Air Conditioning?
When should I choose May's Heating & Air Conditioning?
What is the Vouched Score for May's Heating & Air Conditioning?
How long has May's Heating & Air Conditioning been in business?
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What does HVAC service typically cost when working with a Frederick, MD provider like May's Heating & Air Conditioning?
What pricing terms does May's Heating & Air Conditioning publish on their website?
Does May's Heating & Air Conditioning do AC Repair in Frederick, MD?
Does May's Heating & Air Conditioning do AC Replacement in Frederick, MD?
Does May's Heating & Air Conditioning do Mini-Split Systems in Frederick, MD?
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Profile last updated July 20, 2026.