Gandy Interval & Sons
HVAC contractor in Washington, PA 15301
About this company
Gandy Interval & Sons is listed as an HVAC contractor at 495 Duncan Ave in Washington, Pennsylvania, in Washington County. It is one of 10 HVAC companies in ZIP 15301.
Other HVAC companies nearby
McKean Plumbing & Heating468 W Chestnut St, Washington
0.4 mi(724) 225-6260
McVehil46 E Wheeling St, Washington
0.8 mi(724) 225-3500
JB Mechanical70 South St, Washington
1.0 mi(412) 341-0981
Bruno Plumbing & Heating Inc65 Campbell Ave, Washington
1.5 mi(724) 222-2150
Global Heat Transfer840 Henderson Ave, Canton Twp
1.5 mi(724) 222-5576
Housing market around ZIP 15301
Figures describe the local area, not this company.
Typical home value$234,000+3.2% past year · +56% in 10 years
Typical rent$996+6.3% past year
12-month value outlook+0.8%Roughly flat
New homes permitted, 2025359Washington County
Days to sale agreement15Pittsburgh metro · 14 a year ago
Listings with a price cut30.2%Pittsburgh metro
Sale price vs list98.3%Pittsburgh metro
New construction sales64Pittsburgh metro, Aug · −41% 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: Washington County permitted 359 new homes in 2025, including 20 apartment units. 13% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.