B&B Air Conditioning & Heating Service
Gaithersburg, MD HVAC · #4 of 5 · 72+ 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
⏱ 72+ years in business
Review sentiment: 92/100
At a glance
- Google rating
- 4.9★ from 340+ reviews
- In business
- 72+ years
- Services
- 8 HVAC services
- Service area
- Gaithersburg, MD
- Phone
- +1-301-701-3166
Overview
B&B emphasizes full-system AC repair expertise backed by many detailed customer outcomes.
Full residential and commercial HVAC installation, repair, and maintenance across the DMV area. Factory-trained technicians perform system installs and diagnostics, per the site. The company states a one-hour emergency response priority and advertises same-day repairs in most cases. Free estimates and financing options are available for replacement projects.
Score breakdown
Gaithersburg, MD HVAC average is 83/100. Ranks #4 of 5 listed HVAC providers in Gaithersburg, MD.
Editorial Review
76
46%
Google Rating
97
17%
Local Search Rank
52
9%
Review Sentiment
92
15%
Years in Business
100
4%
Review Volume
68
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Gaithersburg average
| Signal | B&B Air Conditioning … | Gaithersburg avg | Delta |
|---|---|---|---|
| Vouched Score | 80/100 | 83/100 | -3 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 340+ | 2,300+ | -1960 vs avg |
| Years in business | 72+ | 29+ | +43 vs avg |
What customers say
Reviewers praise:
punctualityfast emergency responsetechnical knowledgeclear estimates
Pros
Strengths
- High Google rating (4.9★ across 340+ reviews)
- Long-established (72+ years in business)
When to choose them
- You need to finance the work
- You value a long-tenured local operator (72+ years in business)
Consider alternatives if
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- 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.
- 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.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Gaithersburg, MDhome
Contact & hours
📞
🌐
📍
🕒
Monday–Friday 7:30am–5:30pm
Saturday 8:00am–1:00pm
Frequently asked questions
What are the pros of B&B Air Conditioning & Heating Service?
Based on public records and customer reviews: High Google rating (4.9★ across 340+ reviews); Long-established (72+ years in business); Emergency response: 24/7; Financing available; Free estimates; Specializes in AC repair.
When should I choose B&B Air Conditioning & Heating Service?
Choose them if: You need to finance the work; You value a long-tenured local operator (72+ years in business).
What is the Vouched Score for B&B Air Conditioning & Heating Service?
80/100. Top contributing signals: Years In Business 100/100, Google Rating 97/100+ Review Sentiment 92/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has B&B Air Conditioning & Heating Service been in business?
B&B Air Conditioning & Heating Service has been operating for 72+ years in Gaithersburg, MD.
How can I contact B&B Air Conditioning & Heating Service?
Call B&B Air Conditioning & Heating Service at +1-301-701-3166. Address: 7921 Queenair Dr #106, Gaithersburg, MD 20879, USA.
What does HVAC service typically cost when working with a Gaithersburg, MD provider like B&B Air Conditioning & Heating Service?
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 B&B Air Conditioning & Heating Service's quotes. For an exact price, request a written estimate from B&B Air Conditioning & Heating Service.
What pricing terms does B&B Air Conditioning & Heating Service publish on their website?
B&B Air Conditioning & Heating Service's website publishes: Free estimates. Promotions and plans change — confirm currently-available terms with B&B Air Conditioning & Heating Service before acting.
Does B&B Air Conditioning & Heating Service do AC Repair in Gaithersburg, MD?
Yes. B&B Air Conditioning & Heating Service lists AC Repair among its services and serves Gaithersburg, MD. Call +1-301-701-3166 for a quote.
Does B&B Air Conditioning & Heating Service do Mini-Split Systems in Gaithersburg, MD?
Yes. B&B Air Conditioning & Heating Service lists Mini-Split Systems among its services and serves Gaithersburg, MD. Call +1-301-701-3166 for a quote.
Does B&B Air Conditioning & Heating Service do Indoor Air Quality in Gaithersburg, MD?
Yes. B&B Air Conditioning & Heating Service lists Indoor Air Quality among its services and serves Gaithersburg, MD. Call +1-301-701-3166 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
B&B Air Conditioning & Heating Service (this company) |
80/100 | 4.9★ (340+) | 72+ |
Michael Bonsby HVAC, Plumbing & Electrical ⭐ American Standard Dealer in Gaithersburg |
81/100 | 4.8★ (2,510+) | 20+ |
| 84/100 | 4.8★ (690+) | 45+ | |
Mannix Heating and Cooling- Gaithersburg ⭐ Best for Ductwork & Sealing · ⭐ Best for Energy-Efficient Systems |
75/100 | 4.9★ (175+) | 16+ |
Listed in
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Profile last updated July 20, 2026.