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HVAC & Plumbing Unlimited

Fairfax, VA
4.9(918 reviews)
RESPONSE

Fast Response

Reviewers confirm quick response

EMERGENCY

24/7 Verified

Confirmed by reviews

PRICING

Unknown

Fair Pricing ✓

RED FLAGS

2 concerns

Poor payment and warranty handling—1 reviewer with 7 year history reports aggressive payment harassment despite 30 day terms and refusal to honor warranty service, Persistent communication harassment—1 reviewer reports nag emails continued after direct requests to stop, even after cc'ing company owner

Trust Score: 0/100 · Based on 918 reviews

How they score across what matters

Based on 5 reviews analyzed. Click a row for the quote that best illustrates the score.

What they do well (and don’t)

Green means reviews confirm they’re good at it. Red means reviewers flag issues. Gray means no reviews talk about it yet.

What 918 Reviews Tell Us

Emergency Response

Responds quickly to emergencies—2 reviewers report same-day service even on weekends with reasonable weekend rates

Emergency and burst pipe repair

What To Watch Out For

Pricing significantly above market—2 reviewers report quotes $5k+ higher than competitors for identical work, and a third cites unexpectedly high ancillary charges

Uses inflated pricing with aggressive discounting strategy to make final price appear competitive but remain uncompetitive

Poor payment and warranty handling—1 reviewer with 7 year history reports aggressive payment harassment despite 30 day terms and refusal to honor warranty service

Persistent communication harassment—1 reviewer reports nag emails continued after direct requests to stop, even after cc'ing company owner

Quality & Professionalism

Technicians demonstrate strong customer service and workmanship—multiple reviewers praise politeness, cleanup, and clear instructions

Pricing

Responds quickly to emergencies—2 reviewers report same-day service even on weekends with reasonable weekend rates

Pricing significantly above market—2 reviewers report quotes $5k+ higher than competitors for identical work, and a third cites unexpectedly high ancillary charges

Uses inflated pricing with aggressive discounting strategy to make final price appear competitive but remain uncompetitive

Fast ResponderFair Pricing24/7 Verified by Reviews

Customer reviews

Reviews from Google, Yelp & more

P
Pete Weatherby

Found my A/C had failed on Saturday morning and they were able to come out same day to repair my outdoor unit. There was an additional weekend charge but it was very reasonable rates.

J
Jody

HVAC & Plumbing Unlimited just replaced my water heater (an AO Smith, about 19 years old) with a new AO Smith Pro-Line. Kevin was the main person on my install and he did a very nice job; he cleaned up well, gave instructions to follow after our main water line was turned back on, check the water temp, asked if we had questions, etc. He was very customer service oriented. Mark, the supervisor, is fantastic, and answers questions clearly. They were more expensive than another quote I received but got it done that same day (vs. other plumber who would have taken longer), so it was worth it for us to pay the extra money. I definitely would recommend them again.

R
Ryan Sturlaugson

I had HVAC Unlimited perform inspections on my Carrier HVAC systems (heat pump). During the inspection, the tech discovered one of the fuses failed. After replacement, the compressor blew immediately. Not the techs fault, and he tried to be as helpful as possible. Next day, the “install manager” arrives to quote a replacement system. After stacking multiple discounts, the quote was >$5k higher than another Carrier authorized dealer in the area for the exact same system. They use bad sales tactics of inflating prices to then offer “discounts” and the final price is still uncompetitive. I am only leaving this review because after the inspections, I keep getting nag emails from HVAC Unlimited to leave a review on google. After asking for these emails to stop and cc’ing the company owner, they persist. So- here you go. Avoid this company. Find one more honest.

M
Mona Hans

I have used HVAC Unlimited since 2019. While in the past I have always found their staff courteous and their technicians competent, this past time I found their service lacking. While their invoices say we have 30 days to pay the invoice, they harassed me for payment, would not even schedule a warranty call for the service they performed which did not even fix the original problem with the garbage disposal. There is plenty of competition in the market - I'd think HVAC Unlimited would do more to keep their long term customers.

P
Pete Durgan

In 2023, HVAC replaced two very expensive, custom AC/Heat units in my condo. Custom built because the building is so old. They have inspected annually since then. It works well, and they have good technicians, good service. My only beef is that they want to install a water leak alarm at a surprisingly high price. I'm going to find someone more reasonable.

Business details

Phone
(703) 455-6000
Address
9704 Gunston Cove Rd A, Lorton, VA 22079, USA
Hours
Varies — check website

Service area

Based in Fairfax. Serves 19 nearby cities within 20 miles:

Last updated June 28, 2026 · Data from Google Reviews
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HVAC & Plumbing Unlimited

4.9
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