HVAC reviews in Glen Burnie, Maryland

I have been a customer since 2017. I own my own 500 gallon propane tank and only need to get it filled about every 2 years. The price has always been around $3 pretty gallon. When I filled up in September 2025, they pre-charged me for 400 gallons and promised a refund for the unused portion. Once everything was settled, the total cost came to $6.089 per gallon, over twice the market rate at the time. I've called several times and have been told every time that this is the correct price and that's what happens when you are serviced so infrequently. Pointing out that I have ALWAYS filled up every 2 years and have always received a cost around $3 per gallon didn't convince them that there was an error. That's just "what the machine says" and there's nobody else to escalate the issue to.

So I called another provider and got a will-call rate that's less than half of SMO's. So I'll be going elsewhere and will save about $600 per fill up. Highly suggest you don't give SMO your business.

⭐️ (If I could give zero stars, I would.)

This was one of the worst customer service experiences I’ve ever had. I was told I didn’t have authorization to handle billing or delivery and that an account was required, even though service had previously been established at this address. I was told the account was closed and might be under a prior homeowner or rental company.

The representative talked over me constantly, raised her voice, and ultimately hung up on me. Completely unprofessional and unacceptable.

I was also told they were booked out until January 6, meaning someone else connected to the property would have to call.

When I called back later, I was transferred to another representative who said I’d need a credit check to get service and that billing goes through a third-party company. There was no option to pay upfront or change a credit card. I was quoted at least $600 for 150 gallons at $4 per gallon, supposedly including delivery and auto-fill. The state average is around $2 per gallon, so this pricing felt excessive.

I initially chose this company because an account had already been established at this address and I assumed it would be simple. Instead, I got rude service, confusing policies, and outrageous pricing. I would not recommend this company to anyone.
Edit: the second rep kept on calling me back after I said I didn't want the service. Called me 3 times after I said no. Became harassment.

If there were zero stars, that’s what I’d give them. Twice they have charged me over $600 that I didn’t ask for. In order to start discussions about a possible propane delivery I needed to establish an account and give them my credit card info. After hearing their costs, I told them I was going to research other options. So SMO charged me over $600 without permission. Their present rate is over $6 per gallon. The average rate in MD is in the $2 range. SMO said that their rate is higher because they have no hidden fees. But they couldn’t tell me why their rate is over $6. They said “delivery is expensive.” SMO never sent me an invoice for the bill, likely because they didn’t do any work. I was able to cancel the charge via the credit card company because SMO “couldn’t do it.”
FWIW, I was able to find another local company that charged around $2 per gallon and had a $10 delivery fee. Much more transparent compared to SMO. I will never do business with SMO again and I highly recommend that no one else does either.

I would give SMO 0 stars if possible. They charge way more than any other local company for heating oil. I called three other companies who said their rate was around $3, meanwhile I was charged nearly $5 for SMO. They offered no incentive to keep a long-term customer, instead took just about 30 minutes to cancel my account and I still had to call back to get proper documentation showing my account was actually cancelled. I highly recommend you do research and find a better company near you who deserves your business and treats their customers with respect.

I will definitely recommend them to anyone who asks.

Very professional, was able to explain to me exactly what was wrong and what needed to be done in a timely manner. HIGHLY RECOMMEND

The owner was very professional and gave great service. He did a honest job and prices are very affordable and reasonable. I would recommend to all my friends and family members!!!

HANDS DOWN one of the BEST HVAC companies in the DMV. Very professional, punctual and extremely helpful.

I used this service for a home I have in the Hyattsville area and the owner was very proficient in his work in making sure the AC unit was running correctly. I highly recommend this service for any AC and furnace needs!

Deeds Heating & Air Conditioning, LLC is one of the premiere companies in the DMV that provide heating, ventilation, and air conditioning services to customers of local businesses and residences. Led by Kevin Deeds, they can get the job done in an effective and efficient manner!

We have been using Deeds for many years and have always been very happy! I will continue to recommend their services to everyone. They are incredibly knowledgeable and reliable.

I have been using Deeds for over a decade. Kevin is always prompt and has greats service and pricing. Highly recommend

My old air conditioning unit was giving us problems every year with leaking issues. I had it replaced and still had issues. I called Deeds Heating and Air. They came out, diagnosed my existing problems, went over the issues and explained clearly what needed to be done. We decided to get rid of the old unit and Deeds replaced it with a new and better quality unit. Then what he said before he left made us feel that we went with the best company ever. He said that we won't be hearing from him for a long time because he stands behind his work and that he doesn't nickel and dime his customers.

I've been using Deed HVAC, led by Kevin Deeds, for over 5 years now. There's no one I trust more to fix or work on my HVAC. With Kevin, it's not about the money, it's about the service. I've tried to get him to replace parts and he's told me himself he didn't feel comfortable making me spend the money unnecessarily when he knew he could diagnose and fix the issue in a more cost effective manner. I trust Kevin so much he's worked in my home with noone there and I'd recommend his company and services to anyone who needs quality service with integrity. Best regards,

Highly recommend MaxAir. I use them commercially as well as at my own residence. They’ve always been courteous, professional and honest. They are a great group!

I called MaxAir after getting their info from carriers website. My first call was to ars/blue dot. Never again. I then called MaxAir, and spoke with Randy. He took his time and explained every question I had. Ended up with the system I wanted at 1/3 blue dots quote. He also found every possible discount between the manufacturer, and tax rebates. I felt comfortable, so we signed the proposal. Our system was scheduled for install a few days later (fast). Steve was the lead tech, and Zach and Jeremy were there to assist. A quick explanation of how the day was going to go, they laid their drop runners and go to it. Each guy knocking out his task. The guys were incredibly polite, and just great guys to have in your house. Their work was neat, and they did a great job cleaning up after themselves. I don’t praise companies like this often, but they were great to deal with in every aspect. If you need HVAC service or a system, make sure you call these guys first!

I wanted to have my heat pump looked at and tuned up so I called MaxAir Inc. They were able to schedule me easily. Showed up on time and the technician was here for over an hour looking at everything on the indoor and outdoor part of the unit. The technician also looked at my breaker box and found that a wire had been cut and that my unit wasn’t working at full power when needed.

I would highly recommend MaxAir to anyone. They were pleasant and professional to work with.

Gave me a good price for a new HVAC. Installed it within a few days and warranted the labor for two years.

MaxAir was highly recommended from a good friend, who has a rental property business, and has used their services for years. I recently met one of their technicians, Cole, and I was very impressed! Cole was kind, professional, and knowledgable. In fact, I was so impressed, I signed up that day for The MaxAir Maintenance Policy. It's been my experience, that many people seem to complain when someone or something is not right, however, they never take the time to "thank" someone for their professionalism. It was great meeting Cole...MaxAir seems to be a great company!

I experienced amazing customer service and quick responses from the HVAC technician. I felt well informed on all my options before purchasing a new system. The price was also very reasonable. I could not be more happy with the work I had done. I highly recommend MaxAir.

I reached out to MaxAir for an AC unit that wasn’t working at a rental. They came right out the next day, diagnosed the issue. The tech was able to explain to thoroughly over the phone what the issue was, get the system back up and running in no time. In a world where we rely on someone’s expertise to tell us what’s wrong before we spend our money, i highly recommend them!!