Efficient Air Systems, Inc
HVAC contractor in Portland, ME 04103
About this company
Efficient Air Systems, Inc is listed as an HVAC contractor at 1039 Riverside St in Portland, Maine, in Cumberland County. It is one of 6 HVAC companies in ZIP 04103.
Other HVAC companies nearby
CC Mechanical14 Caddie Ln, Portland
Under 0.1 mi(207) 200-7526
Maietta Titus Blaschke Plumbing & Heating Inc1566 Forest Ave, Portland
1.0 mi(207) 797-2685
McGuire Controls27 Gray Rd, Falmouth
1.5 mi(207) 797-3323
Maine Air Comfort93 Warren Ave, Portland
1.6 mi(207) 358-4442
Superior Furnace Cleanings64 Leighton Rd, Falmouth
2.0 mi(207) 797-9838
Housing market around ZIP 04103
Figures describe the local area, not this company.
Typical home value$527,000+0.9% past year · +106% in 10 years
Typical rent$2,714+2.0% past year
12-month value outlook+1.9%
New homes permitted, 20251,756Cumberland County
Days to sale agreement15Portland metro · 14 a year ago
Listings with a price cut27.2%Portland metro
Sale price vs list100.0%Portland metro
New construction sales57Portland metro, Aug · −26% 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: Cumberland County permitted 1,756 new homes in 2025, including 761 apartment units. 9% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.