All About Air Heating and Air-conditioning LLC
HVAC contractor in Severn, MD 21144
About this company
All About Air Heating and Air-conditioning LLC is listed as an HVAC contractor at 8324 Dubbs Dr in Severn, Maryland, in Anne Arundel County. It is one of 5 HVAC companies in ZIP 21144.
Other HVAC companies nearby
Beltway HVAC8141 Telegraph Rd Ste I, Severn
0.9 mi(443) 323-2547
Wehn Heating and Air Conditioning8270 Lokus Rd, Odenton
1.6 mi(410) 793-0777
Affordable Heating & Cooling1011 Morgan Station Dr, Severn
2.0 mi(410) 465-6120
Five Star Power Systems8329 Veterans Hwy, Millersville
2.5 mi(410) 292-8713
B & B Technologies LLC221 Najoles Rd Ste 1264, Millersville
2.6 mi(410) 729-4220
Housing market around ZIP 21144
Figures describe the local area, not this company.
Typical home value$515,000+1.3% past year · +49% in 10 years
Typical rent$2,234−1.0% past year
12-month value outlook+0.5%Roughly flat
New homes permitted, 20251,844Anne Arundel 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: Anne Arundel County permitted 1,844 new homes in 2025, including 971 apartment units. 32% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.