One Hour Air Conditioning & Heating
HVAC contractor in Mount Airy, MD 21771
About this company
One Hour Air Conditioning & Heating is listed as an HVAC contractor at 2702 Back Acre Cir in Mount Airy, Maryland, in Frederick County. It is one of 7 HVAC companies in ZIP 21771.
Other HVAC companies nearby
Fick's Mechanical203 Cross St, Mt Airy
1.1 mi(443) 340-1756
Honest Air Heating & Air Conditioning13001 Penn Shop Rd, Mount Airy
4.6 mi(301) 943-0833
Mathers Mechanical, LLC.14916 Chelsea Cir, Mount Airy
5.1 mi(240) 394-0194
Montgomery Sheet Metal Fabricator Inc3903 Maurice Ct, Monrovia
5.4 mi(301) 865-2835
Ace Home Services9704 Beall Ave, Damascus
6.2 mi(301) 332-8920
Housing market around ZIP 21771
Figures describe the local area, not this company.
Typical home value$626,000+0.8% past year · +55% in 10 years
12-month value outlook+0.4%Roughly flat
Days to sale agreement16Baltimore metro · 14 a year ago
New homes permitted, 20251,168Frederick County
Listings with a price cut30.2%Baltimore metro
Sale price vs list100.1%Baltimore metro
New construction sales122Baltimore metro, Aug · −37% from last year
Source: Zillow (home values, rent, outlook and metro sales), data through Sep 2026. Permits: U.S. Census Bureau.
Typical home value, last 10 years
Source: Zillow Home Value Index, Sep 2026.
Local building angle: Frederick County permitted 1,168 new homes in 2025, including 354 apartment units. 24% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.