JEM Heating and Air Conditioning
HVAC contractor in Westminster, MD 21157
About this company
JEM Heating and Air Conditioning is listed as an HVAC contractor at 150 Airport Dr in Westminster, Maryland, in Carroll County. Federal motor carrier records list 1 drivers and 1 trucks for the company. It is one of 9 HVAC companies in ZIP 21157.
Other HVAC companies nearby
AC Quest1100 Business Pkwy S, Westminster
0.3 mi(410) 871-2310
Will Air LLC55 Aileron Ct #4, Westminster
0.3 mi(410) 549-9300
Siegman Forced Air Systems, Inc.1922 Littlestown Pike, Westminster
1.4 mi(410) 431-2713
Comfort Temp Heating & Cooling140 Bachmans Valley Rd, Westminster
1.7 mi(410) 876-1797
Angell Heating and Air446 Uniontown Rd, Westminster
1.8 mi(443) 821-7850
Housing market around ZIP 21157
Figures describe the local area, not this company.
Typical home value$461,000+0.9% past year · +55% in 10 years
Typical rent$1,619+3.0% past year
12-month value outlook+0.5%Roughly flat
New homes permitted, 2025153Carroll County
Days to sale agreement16Baltimore metro · 14 a year ago
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: Carroll County permitted 153 new homes in 2025. 17% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.