closedHVAC contractor in Walkersville, MD
closed is an HVAC contractor in Walkersville, MD, ranked #3 of 235 HVAC contractors in Walkersville and rated 4.8 from 240 Google reviews. Open 24 hours a day, 7 days a week.
Walkersville, MDUpdated 0 paid placements in any rankingHow we rank
Key facts
| Phone | (301) 900-8593 |
|---|---|
| Website | closed.com |
| Hours | Open 24 hours, 7 days a week |
| Google rating | 4.8 from 240 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- HVACmain tradeGoogle main category
Service area
Serves Walkersville and 11 towns within 25 miles: Frederick, Spring Ridge, Ballenger Creek, Urbana, Linganore, Green Valley, Thurmont, Mount Airy, Brunswick, Damascus and Clarksburg.
Based in Walkersville, MDView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
- Open 24/7
- Open evenings — no
- Open Saturdays
- Open Sundays
- Emergency service
Typical heating and cooling prices
| Job | Low | Typical | High |
|---|---|---|---|
| AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range | $3,887 | $5,978 | $8,073 |
| Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range | $2,823 | $4,814 | $6,896 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby HVAC contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| closed (this business) | — | 91 | 4.8 (240) | — | Yes | Yes | |
| Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | #1 | 91 | 4.8 (932) | — | Yes | Yes | 3.3 mi |
| Wenbrooke Services - Electrical, Plumbing, Heating and Air | #2 | 91 | 4.8 (1,208) | — | Yes | Yes | 5.1 mi |
| Warner Service | #4 | 91 | 4.8 (537) | — | Yes | Yes | 2.2 mi |
Questions about closed
How is closed ranked in Walkersville?
closed is ranked #3 of 235 HVAC contractors in Walkersville by CR Score, with 91 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity and profile completeness. No business can pay to change its rank.
What are closed’s hours?
closed is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.
What areas does closed serve?
Serves Walkersville and 11 towns within 25 miles: Frederick, Spring Ridge, Ballenger Creek, Urbana, Linganore, Green Valley, Thurmont, Mount Airy, Brunswick, Damascus and Clarksburg. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.
What do Google reviews say about closed?
closed has a rating of 4.8 from 240 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact closed?
Call closed on (301) 900-8593. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.
Own closed? Claim this profile.
Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.