Kelly HVAC Inc.
Backflow testing. the kelly building, 8431 Old Marlboro Pike, Upper Marlboro, MD 20772
Approvals
Price reports
What a backflow test costs in Upper Marlboro
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Published prices nationwide
$29.99 to $100 per assembly
Every published price, with its source: what a backflow test costs.
Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.
What Kelly HVAC Inc.'s website says
Services listed on Kelly HVAC Inc.'s website, read October 11, 2026: water heaters. kellyhvac.com/services/hvac
| It says | Details | Page |
|---|---|---|
| 24-hour service | Offered, it says | kellyhvac.com |
| Founding year | Founded in 1994 | kellyhvac.com/about |
Read on kellyhvac.com on October 11, 2026 (4 pages). This is what the business says about itself.
Where you will find Kelly HVAC Inc.
These are the city pages close enough for this business to appear on.
- Hyattsville, MD(7 mi)
- Upper Marlboro, MD(8 mi)
- Washington, DC(10 mi)
- Waldorf, MD(14 mi)
- Alexandria, VA(15 mi)
- Beltsville, MD(16 mi)
- Silver Spring, MD(16 mi)
- Annapolis, MD(21 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| Free Line Plumbing | Backflow Testing | 4 mi |
| H&D Mechanical LLC | Backflow Testing | 5 mi |
| Definitive Mechanical LLC | Backflow Testing | 5 mi |
| All Season Plumbing, Heating, and A/C, Inc. | Backflow Testing | 7 mi |
| JP Spadaro and Sons Inc (Spadaro Plumbing) | Backflow Testing | 7 mi |
| Raine & Son, LLC | Backflow Testing | 8 mi |
Questions about Kelly HVAC Inc.
Is Kelly HVAC Inc. approved to test backflow assemblies?
Kelly HVAC Inc. is on the Anne Arundel County list, as of October 6, 2026. That is the state board's list of certified backflow testers. Ask for the tester's certificate number before the test.
What does Kelly HVAC Inc. do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Kelly HVAC Inc. serve?
They are based in Upper Marlboro, Maryland, within driving distance of Hyattsville, Upper Marlboro, Washington, Waldorf, Alexandria. Service areas are set by the business, so confirm yours when you call.
How do I reach Kelly HVAC Inc.?
Call (301) 736-6585. Their website is linked on this page.
Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.
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