Services
24/7 Emergency Boiler, Chiller and HVAC Repair
Call 208-631-0555 any hour. We respond to commercial heating and cooling emergencies across the Treasure Valley and Southern Idaho.
When a boiler or chiller goes down, the building feels it within hours. Grant Mechanical answers emergency calls around the clock for hospitals, schools, resorts, commercial buildings and public facilities.
Calling is the fastest way to reach us. Tell us what you are seeing and where you are, and we will get moving.

Scope
Emergencies we respond to
Boiler outages
No heat, no steam, lockouts and burner trouble on steam, hydronic and condensing boilers.
Chiller and cooling outages
Chillers and commercial cooling equipment that have stopped or tripped.
Piping breaks and leaks
Steam, condensate, hydronic and gas piping repairs.
Pumps
Circulation pump trouble and pump alignment.
Snowmelt and pool systems
Snowmelt, pool and fountain boilers at resorts and mountain properties.
HVAC equipment
Rooftop units, air handlers and heating equipment.
24/7 Emergency Service
Have this ready when you call
- Equipment make and model
- What the equipment is doing, including any codes on the display
- When the trouble started
- Site address and an on-site contact
If you smell gas, leave the area and call your gas utility or 911 before you call us.
FAQ
Questions about 24/7 emergency service
Is your emergency line open nights and weekends?
Yes. Call 208-631-0555 24 hours a day, seven days a week.
How far do you travel for emergency calls?
We respond across the Treasure Valley and Southern Idaho, including Boise, Nampa, Twin Falls, Sun Valley, McCall and Mountain Home.
Can you find the cause after the repair?
Yes. After the system is back online we can inspect the plant, recommend repairs and set up a maintenance schedule to keep it running.
Related services
Get in touch
Get a quote for emergency service
Tell us about your equipment and what you need. Emergencies are answered by phone any hour.
Call 24/7208-631-0555 Emailgrant-mechanical@msn.comBased inNampa, Idaho