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Grumpy's HVAC
About the business:
In Sunnyvale, we are Grumpy's HVAC – your reliable partner in all things HVAC. We specialize in HVAC contracting, air conditioning repairs, and furnace services, ensuring your home stays comfortable year-round. Our team of dedicated professionals is always ready to tackle any heating or cooling issue with precision and efficiency. At Grumpy's HVAC, we pride ourselves on delivering exceptional service that puts our customers first. Whether you need a quick fix or a complete system overhaul, we've got you covered. Trust us to keep your Sunnyvale home's climate just right.
Services:
All services 5-
Hvac Contractor
Book from $50In Sunnyvale, we're your dedicated HVAC specialists, providing top-tier heating and cooling solutions for homes. Our HVAC Contractor service ensures …
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Air Conditioning Contractor
Book from $50In Sunnyvale's sizzling heat, home comfort matters. That's where Grumpy's HVAC steps in. We're your reliable Air Conditioning Contractor, dedicated …
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Air Conditioning Repair Service
Book from $50In Sunnyvale, we're Grumpy's HVAC – your reliable partner for air conditioning repair. When your home's comfort is at stake, …
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Furnace Repair Service
Book from $50In Sunnyvale, when your home's furnace requires attention, trust Grumpy's HVAC. We specialize in swift and effective furnace repairs, ensuring …
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Heating Contractor
Book from $50In Sunnyvale, we're your reliable heating contractor. We specialize in fixing and maintaining home heating systems to ensure you stay …
Photos and videos
Hours of operation
- Mon – Sat
- Sun
- 7:00 AM – 5:00 PM
- Closed
Latest reviews
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Jeannette Tetz23 May 2026
Excellent professional service, the charm is free. Real commitment to doing things right is what makes Grumpy's stand out.
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Carol Lynch23 May 2026
David was kind, courteous and kept me informed. On time each day and did an excellent job. Since I needed to get the attic and house ready with upgrades for electric etc. David talked with me about the other contractors needed and I'm sure none of the work would have gone as smoothly without his advice.
Thank you David! -
B Chase23 May 2026
Furnace was turning on/off oddly. They came out, checked it all out and found that a small piece of foam had come loose, causing the sensors to improperly kick on. Simple fix, straightforward and forthright. Great experience.
