Michael Bonsby Heating & A/C

Name: Michael Bonsby Heating & A/C
Address: 7950 Cessna Ave, Gaithersburg, MD, 20879, US
Telephone: 301-990-7970
Rating: 2

7950 Cessna Ave
Gaithersburg, MD 20879 301-990-7970

Checkbook's Top Rating
Quality	NO
Price	No Data

53 ratings
63% gave a "superior" overall rating
Compare 183 nearby heating & air-conditioning contractors
"41 days to fix a bad compressor! Our American Standard Platinum 18 heat pump was installed..."
Read More Comments

Prices for Michael Bonsby Heating & A/C

Checkbook's price comparison score what is this?

Minimum charge for a service call

What the minimum charge includes

Consumer Ratings for Michael Bonsby Heating & A/C — 53 Ratings

Percent of customers who rated service "superior" for: | = average for all heating & air-conditioning contractors

Doing work properly what is this?

Starting and completing work promptly what is this?

Letting you know cost early what is this?

Advice on service options and costs what is this?

Overall quality what is this?

Overall quality: percent who rated company "adequate" or "superior" what is this?

Complaints for Michael Bonsby Heating & A/C

Number of complaints with local government consumer agencies and (complaint rate) what is this?

Number of complaints with BBB and (complaint rate) what is this?

Current BBB report

Areas Served by Michael Bonsby Heating & A/C:

Alexandria
DC–NE
DC–NW
Howard Co.
Montgomery Co.

Equipment company services/installs:

Air duct cleaning
Humidifiers
Air ducts (sheet metal work)
Oil furnaces
Central air conditioners

Electric furnaces
Gas furnaces
Hot water heating systems
Electronic air cleaners
Heat pumps

Attic fans

Consumer Comments for Michael Bonsby Heating & A/C

Consumer from LORTON, VA
Mar 07, 2026

41 days to fix a bad compressor! Our American Standard Platinum 18 heat pump was installed less than 5 years ago and stopped working properly on 1/22/26. The outdoor unit stopped working and we got several error codes on the thermostat. Fortunately, the system worked with our aux heat so we were not without heat. The repair process has been challenging and frustrating as it has taken 41 days and three service calls to resolve. We purchased the system from the same company that performed the service. Their focus and interest was consistently on their company not us, their customer. No follow up, poor communications, and sending out an untrained tech out. The problem was potentially mis diagnosed as it took two repair efforts to resolve. Initially the inverter drive was diagnosed as the problem yet it did not resolve the issue. Finally the compressor was replaced and this solved the issue. While these parts were covered by the warranty, we were charged over $3,600 for labor! This amounts to 25% of initial system purchase price to repair a system that is not yet 5 years old. I cannot recommend this company and I will search for a new HVAC company.

Consumer from WASHINGTON, DC
Jan 15, 2026

I would strongly recommend against using this company. In 2022, Michael Bonsby sold me an HVAC system that repeatedly malfunctioned over the next 3 years. At least 20 times, the system failed to shut off when the temperature in my home reached the temperature set on the thermostat. Instead, the system continued to run (and the actual temperature continued to rise/fall) and could only be shut off by flipping the circuit breakers. In one case, the heat ran until it was over 80 degrees in my home. In another, the AC ran until it was 62 degrees. Despite many service visits, Bonsby could not identify and fix the defect in the system. Multiple techs arrived without any background, requiring me to explain the lengthy history. Several seemed to question if the events I described really had occurred. When I called the office to report further malfunctions, my requests to speak with a supervisor in the service department were rebuffed. During a summer 2025 service visit, I again asked to speak with a supervisor. The tech told me he had contacted his manager and his manager would call me back. No one from the service department ever called me. Thereafter, I hired another company to install a new system that functions properly and sent Bonsby a letter requesting a refund of my purchase price for the defective system. When they refused, I submitted a complaint to the DC Attorney General’s Office of Consumer Protection. Bonsby continues to refuse to refund any portion my purchase price and has made arguments that misrepresent the facts of the matter and applicable law.

Consumer from Silver Spring, MD
Jul 20, 2025

Great work but prices high

...and 17 more consumer comments for Michael Bonsby Heating & A/C

You won't find anything else like Checkbook

Nonprofit and independent
Takes no advertising or referral fees
Ratings and reviews by surveyed Consumers' Checkbook and Consumer Reports local subscribers
Thousands of undercover price comparisons
Complaint histories from consumer agencies

Heating & Air-Conditioning Contractors Articles

Where to Find Good HVAC Help

To make sure your heating and air-conditioning systems work when needed, they must be properly installed and maintained. We’ve rated area heating and air-conditioning services for quality and price.

What to Do If You Need HVAC Repairs

If you need repairs to heating or air-conditioning equipment, our ratings of local businesses will help you find a good company to perform them.

Choosing New HVAC Equipment and Getting It Installed Properly

How well a new HVAC system performs, and how much it costs, depends heavily on its design and the quality of installation. It’s important to make the right decisions—and there are many to make. You also must make sure to get a fair contract.

HVAC Equipment Features to Consider

If you are installing new equipment, in addition to making choices about energy efficiency, you will need to decide whether to pay extra for various features. Here is a summary of the types of add-ons.

Maintaining Your HVAC Equipment

The most important maintenance task for HVAC systems is something you can do yourself—replacing the air filter. Check your filter monthly. When a filter has a matting of dirt—i.e., it’s difficult to see through when you hold it up to a light—it’s time to replace it.

HVAC Maintenance Contracts Are Usually Bad Buys

Rather than paying for individual maintenance visits and repair jobs, you might consider getting a service contract for air-conditioning and/or heating equipment. Many companies try to persuade customers to enter into such contracts.