Michael Bonsby HVAC, Plumbing & Electrical
Gaithersburg, MD HVAC · #3 of 5 · 20+ yrs
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
⏱ 20+ years in business
certified by the National Comfort Institute
Review sentiment: 92/100
At a glance
- Google rating
- 4.8★ from 2,510+ reviews
- In business
- 20+ years
- Services
- 6 HVAC services
- Service area
- Gaithersburg, MD + 4 nearby
- Phone
- +1-240-317-9904
Michael Bonsby HVAC, Plumbing & Electrical as a HVAC provider
Gaithersburg, MD HVAC · #3 of 5 · 20+ yrs
Vouched Score: 81/100
Editorial review
AC repair specialty supported by many emergency-response testimonials. American Standard Authorized Dealer, per their site. Aspen Hill homeowners face humid summers and frequent cooling demand. Michael Bonsby states over 20 years serving the DMV. Reviews mention fast emergency dispatch and financing options.
Emergency HVAC repair and system replacement across Maryland and Virginia, focused on fast responses for no-heat or no-cool calls. Emergency response: 24-hour service, with no extra night or weekend charge, says their site. Manufacturer Dealer: American Standard Authorized Dealer is listed on their pages. Years in business: over 20 years serving the Gaithersburg area.
Our picks — HVAC
🏷
Best Authorized American Standard Dealer in Gaithersburg
Authorized American Standard dealer
Vouched Score breakdown — 81/100 (HVAC)
Gaithersburg, MD HVAC average is 83/100. Ranks #3 of 5 listed HVAC providers in Gaithersburg, MD.
Editorial Review
78
46%
Google Rating
93
17%
Local Search Rank
46
9%
Review Sentiment
92
15%
Years in Business
70
4%
Google Review Volume
92
9%
How Michael Bonsby HVAC, Plumbing & Electrical compares (HVAC)
| Signal | Michael Bonsby HVAC, Plumbing… | Gaithersburg avg | Delta |
|---|---|---|---|
| Vouched Score | 81/100 | 83/100 | -2 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 2,510+ | 2,300+ | +213 vs avg |
| Years in business | 20+ | 29+ | -9 vs avg |
Pros
Verified strengths
- High Google rating (4.8★ across 2,510+ reviews)
- Long-established (20+ years in business)
- Authorized American Standard Authorized Dealer
- Emergency response: 24-hour
- Financing available
- Indoor air quality services
- Mini-split system specialist
- Specializes in AC repair
When to choose them for HVAC — and when to consider alternatives
Choose them if
- You want manufacturer-warranty installation work
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 2,510+ reviews)
Consider alternatives if
- You want a BBB-rated firm specifically
Compare with nearby HVAC providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Michael Bonsby HVAC, Plumbing & Electrical (this company) |
81/100 | 4.8★ (2,510+) | 20+ | — | — | American Standard Dealer in Gaithersburg |
| 84/100 | 4.8★ (690+) | 45+ | — | — | — | |
| 75/100 | 4.9★ (175+) | 16+ | — | — | Best for Ductwork & Sealing Best for Energy-Efficient Systems |
|
| 94/100 | 4.9★ (7,720+) | 56+ | — | — | Highest Vouched Score Best for Smart Thermostat Install |
Michael Bonsby HVAC, Plumbing & Electrical as a Emergency AC Repair provider
Gaithersburg, MD Emergency AC Repair · #2 of 5 · 20+ yrs
Vouched Score: 87/100
Editorial review
Michael Bonsby states 24-hour emergency response and no extra charge for nights or weekends.
Emergency AC Repair serving Aspen Hill, MD and the greater DMV area.
Our picks — Emergency AC Repair
🏆
Highest Vouched Score for Emergency Ac Repair in Gaithersburg, MD
Vouched Score: 87
⭐
No Overtime or Holiday Surcharge
no overtime nights/weekends
⭐
Best for No-Cooling Emergencies
same-day no-cool triage
Vouched Score breakdown — 87/100 (Emergency AC Repair)
Above the Gaithersburg, MD Emergency AC Repair average of 81/100. Ranks #2 of 5 listed Emergency AC Repair providers in Gaithersburg, MD.
Editorial Review
86
46%
Google Rating
93
17%
Local Search Rank
79
9%
Review Sentiment
90
15%
Years in Business
70
4%
Google Review Volume
92
9%
How Michael Bonsby HVAC, Plumbing & Electrical compares (Emergency AC Repair)
| Signal | Michael Bonsby HVAC, Plumbing… | Gaithersburg avg | Delta |
|---|---|---|---|
| Vouched Score | 87/100 | 81/100 | +6 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 2,510+ | 2,300+ | +213 vs avg |
| Years in business | 20+ | 29+ | -9 vs avg |
Pros
Verified strengths
- High Google rating (4.8★ across 2,510+ reviews)
- Long-established (20+ years in business)
- Authorized American Standard Authorized Dealer
- Emergency response: 24-hour
- Financing available
When to choose them for Emergency AC Repair — and when to consider alternatives
Choose them if
- You need after-hours AC repair
- You need AC not cooling — emergency
- You need weekend & holiday AC repair
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
Consider alternatives if
- You want a BBB-rated firm specifically
Compare with nearby Emergency AC Repair providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Michael Bonsby HVAC, Plumbing & Electrical (this company) |
87/100 | 4.8★ (2,510+) | 20+ | — | — | Highest Vouched Score No Overtime or Holiday Surcharge Best for No-Cooling Emergencies |
| 88/100 | 4.9★ (7,725+) | 56+ | — | — | — | |
| 79/100 | 4.8★ (690+) | 45+ | — | — | Best for Commercial Emergencies | |
| 77/100 | 4.9★ (175+) | 16+ | — | — | — |
What customers say
Where they stand on this page:
Only listed provider advertising manufacturer-authorized dealer status
Reviewers praise:
punctualityfast emergency responsetransparent financingknowledgeable technicians
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.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Guarantees & credentials
- Certified by the National Comfort Institute
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
📞
🌐
📍
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Call to confirm hours
Frequently asked questions
What are the pros of Michael Bonsby HVAC, Plumbing & Electrical?
Based on public records and customer reviews: High Google rating (4.8★ across 2,510+ reviews); Long-established (20+ years in business); Authorized American Standard Authorized Dealer; Emergency response: 24-hour; Financing available; Indoor air quality services; Mini-split system specialist; Specializes in AC repair.
When should I choose Michael Bonsby HVAC, Plumbing & Electrical?
Choose them if: You want manufacturer-warranty installation work; You need to finance the work; You want a top-rated provider with substantial review history (4.8★, 2,510+ reviews).
What is the Vouched Score for Michael Bonsby HVAC, Plumbing & Electrical?
81/100. Top contributing signals: Google Rating 93/100+ Review Sentiment 92/100, Google Review Count 92/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Michael Bonsby HVAC, Plumbing & Electrical been in business?
Michael Bonsby HVAC, Plumbing & Electrical has been operating for 20+ years in Gaithersburg, MD.
How can I contact Michael Bonsby HVAC, Plumbing & Electrical?
Call Michael Bonsby HVAC, Plumbing & Electrical at +1-240-317-9904. Address: 7940 Cessna Ave, Gaithersburg, MD 20879, USA.
What does HVAC service typically cost when working with a Gaithersburg, MD provider like Michael Bonsby HVAC, Plumbing & Electrical?
AC repair typically runs $160–$695, and full AC system replacement runs $5,900–$13,900 in Gaithersburg, Maryland. These are area-wide market estimates, not Michael Bonsby HVAC, Plumbing & Electrical's quotes. For an exact price, request a written estimate from Michael Bonsby HVAC, Plumbing & Electrical.
What pricing terms does Michael Bonsby HVAC, Plumbing & Electrical publish on their website?
Michael Bonsby HVAC, Plumbing & Electrical's website publishes: $50 Off Any Repair. Promotions and plans change — confirm currently-available terms with Michael Bonsby HVAC, Plumbing & Electrical before acting.
Does Michael Bonsby HVAC, Plumbing & Electrical do AC Repair in Gaithersburg, MD?
Yes. Michael Bonsby HVAC, Plumbing & Electrical lists AC Repair among its services and serves Gaithersburg, MD, Aspen Hill, MD, Ac Repair Aspen Hill, MD, Ac Repair Bethesda, MD, and Ac Repair Gaithersburg, MD. Call +1-240-317-9904 for a quote.
Does Michael Bonsby HVAC, Plumbing & Electrical do AC Replacement in Gaithersburg, MD?
Yes. Michael Bonsby HVAC, Plumbing & Electrical lists AC Replacement among its services and serves Gaithersburg, MD, Aspen Hill, MD, Ac Repair Aspen Hill, MD, Ac Repair Bethesda, MD, and Ac Repair Gaithersburg, MD. Call +1-240-317-9904 for a quote.
Does Michael Bonsby HVAC, Plumbing & Electrical do Heat Pump Service in Gaithersburg, MD?
Yes. Michael Bonsby HVAC, Plumbing & Electrical lists Heat Pump Service among its services and serves Gaithersburg, MD, Aspen Hill, MD, Ac Repair Aspen Hill, MD, Ac Repair Bethesda, MD, and Ac Repair Gaithersburg, MD. Call +1-240-317-9904 for a quote.
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Profile last updated July 20, 2026.