A-1 Air Conditioning & Heating
HVAC contractor in Port Isabel, TX 78578
About this company
A-1 Air Conditioning & Heating is listed as an HVAC contractor at 47974 Texas 100 in Port Isabel, Texas, in Cameron County. It is one of 1 HVAC companies in ZIP 78578.
Other HVAC companies nearby
Khan's Air Conditioning and Heating217 W Ocean Blvd, Los Fresnos
13.4 mi(956) 639-9101
Aire Express7125 Coffee Port Rd, Brownsville
14.1 mi(956) 706-5455
Middleton Air30319 FM-1575, Los Fresnos
14.5 mi(956) 266-5312
Carrier Enterprise3671 FM-802, Brownsville
15.2 mi(956) 831-8100
Mr. Freeze Air Conditioning & Heating1504 Rocky Cir, Brownsville
15.3 mi(956) 579-5800
Housing market around ZIP 78578
Figures describe the local area, not this company.
Typical home value$263,000+2.6% past year · +68% in 10 years
Typical rent$1,993
12-month value outlook+0.7%Roughly flat
New homes permitted, 20252,702Cameron County
Days to sale agreement63Brownsville metro · 66 a year ago
Listings with a price cut17.7%Brownsville metro
Sale price vs list95.2%Brownsville metro
New construction sales22Brownsville metro, Aug · −21% 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: Cameron County permitted 2,702 new homes in 2025, including 687 apartment units. 35% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.