Grelak Mechanical Inc
HVAC contractor in North Tonawanda, NY 14120
About this company
Grelak Mechanical Inc is listed as an HVAC contractor at 3829 Forest Park Way in North Tonawanda, New York, in Niagara County. It is one of 6 HVAC companies in ZIP 14120.
Other HVAC companies nearby
KMR Heating and Cooling1058 Thomas Fox Dr E, North Tonawanda
1.2 mi(716) 479-6412
Heatwave Heating & Cooling100 John Glenn Dr, Amherst
2.6 mi(716) 272-2226
The Heating And Cooling Guys565 Willow Ave, North Tonawanda
2.8 mi(716) 563-5986
Connell-Pane Heating & Cooling Inc.960 Oliver St, North Tonawanda
2.9 mi(716) 693-6695
Greater Niagara Mechanical, Inc.7311 Ward Rd, North Tonawanda
3.0 mi(716) 695-3600
Housing market around ZIP 14120
Figures describe the local area, not this company.
Typical home value$285,000+3.9% past year · +108% in 10 years
Typical rent$1,341+0.5% past year
12-month value outlook+2.3%
New homes permitted, 2025271Niagara County
Days to sale agreement13Buffalo metro · 11 a year ago
Listings with a price cut22.9%Buffalo metro
Sale price vs list107.5%Buffalo metro
New construction sales13Buffalo metro, Aug
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: Niagara County permitted 271 new homes in 2025, including 5 apartment units. 12% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.