Heat pump repair tips when the system will not heat
If your heat pump isn't heating, use these simple thermostat, indoor, and outdoor unit checks-and learn when Emergency Heat helps or hurts.
Grumpy's HVAC
493 Vine Ave, Sunnyvale, CA 94086
5
(16 reviews)
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Key Highlights
- Serving Fremont, Sunnyvale, San Jose, Palo Alto, Mountain View, Oakland, San Francisco, and surrounding areas
- Over 30 years of HVAC industry experience
- Family-owned with personalized service
- Expertise in HVAC retrofits and ductwork
- Comprehensive heating and cooling solutions
About Grumpy's HVAC
Grumpy's HVAC is a family-owned heating and cooling company serving Fremont, CA, and nearby communities. With over 30 years of experience, they provide a full range of HVAC services including air conditioning and furnace repair, installation of heat pumps and mini splits, HVAC tune-ups, and indoor air quality solutions. Their expertise extends to complex HVAC retrofits and ductwork, ensuring efficient and balanced airflow for homes and businesses. The company emphasizes practical, knowledgeable service backed by decades of industry experience.
Our Expert Evaluation
Workmanship Quality:
5
Responsiveness & Reliability:4.8
Pricing Transparency & Value:
5
Professionalism & Communication:
5
Safety & Compliance:
5
Aftercare Support & Warranty:4.9
Overall Rating
5/ 5.0
Based on
6 Categories
We rate HVAC providers on service quality, technical expertise, responsiveness, customer feedback, value for money, and reliability, using a mix of verified reviews and independent research.
Service Types
AC Repair
Furnace Repair
AC Installation & Replacement
Furnace Installation & Replacement
Heat Pump Installation & Replacement
Amenities
AC Repair
Furnace Repair
AC Installation
Furnace Installation
Heat Pump Installation
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Location
493 Vine Ave, Sunnyvale, CA 94086
Serving Fremont, Sunnyvale, San Jose, Palo Alto, Mountain View, Oakland, San Francisco, and surrounding areasHours of Operation
| Monday | 7:00 AM - 5:00 PM |
| Tuesday | 7:00 AM - 5:00 PM |
| Wednesday | 7:00 AM - 5:00 PM |
| Thursday | 7:00 AM - 5:00 PM |
| Friday | 7:00 AM - 5:00 PM |
| Saturday | 7:00 AM - 5:00 PM |
| Sunday | Closed |
Contact Information
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