Business Details
30 Years
experience
Your Trusted HVAC Partner in the Bay Area
A-1 Guaranteed is a family-owned HVAC company proudly serving the Bay Area, Napa, Solano, and Contra Costa Counties since 1996. Founded by Richard and Krissy Hiteshew, we began as a two-person operation in our garage and have grown into a trusted name in heating and air conditioning. Our expertise lies in energy-efficient, all-electric heat pumps that align with Californias clean energy goals while reducing energy costs and carbon footprints. We are a participating contractor in statewide rebate programs, offering significant savings unavailable through other providers. With nearly 30 years of experience, our factory-trained technicians deliver top-quality installations and maintenance.We prioritize a drug-free environment, thorough background checks, and exceptional customer service, reflected in our 100% satisfaction guarantee. Recognized with awards like the Angies List Super Service Award and Better Business Bureau Honor Roll, we remain committed to innovation, community, and integrity. Our teams deep local knowledge ensures tailored solutions for California homeowners. Backed by certifications such as NATE and Diamond Certified status, we combine technical excellence with personalized care. As a certified green business, we lead in sustainable HVAC practices while maintaining a customer-centric approach that has earned lifelong loyalty from clients.
Services
Heat Pumps
Water Heaters
Home Electrification
Furnaces
Air Conditioning
Details
- Year established: 1996
Highlights and features
- Family-Owned & Operated Since 1996
- Nearly 30 Years of HVAC Experience
- Participating Contractor in Heat Pump Rebate Programs
- Factory-Trained Installers & Service Technicians
- All Employees Fully Background Checked
Associations and certifications
- Diamond Certified
- Better Business Bureau
- North American Technician Excellence (NATE) Certified
- Certified Green Business
What people say
Exceptional service
Professional and courteous
Saved money on energy bills
Prompt follow-up
Expert installations
Services
Heat Pumps
We install advanced inverter-driven heat pumps that provide efficient heating and cooling. These systems reduce energy bills and qualify for rebates, making them ideal for Californias climate. Our ducted and ductless options cater to homes with or without existing air ducts.
Air Conditioning
Our air conditioning services include installation, maintenance, and repair of high-efficiency systems. Regular maintenance ensures optimal performance, lower energy costs, and extended system lifespan, backed by our 100% satisfaction guarantee.
Water Heaters
We specialize in heat pump water heaters that save energy and reduce emissions. Our installations meet Californias latest codes, and we assist with rebates to offset upfront costs, ensuring long-term savings for homeowners.
Home Electrification
We help homeowners transition from gas to electric systems, including heat pumps and water heaters. Our services align with Californias clean energy goals, offering rebates and financing to simplify the switch.
Maintenance Plans
Our maintenance programs ensure HVAC systems operate efficiently year-round. Annual check-ups prevent costly repairs, maintain warranties, and improve energy efficiency, delivered by NATE-certified technicians committed to excellence.
People
Richard Hiteshew
Owner
Richard founded A-1 Guaranteed in 1996 after starting his HVAC career at age 16. He oversees operations and ensures every installation meets our high standards of quality and customer satisfaction.
Krissy Hiteshew
Co-Owner
Krissy co-founded A-1 Guaranteed, managing daily operations and customer relations. Her dedication to excellence has been instrumental in building the companys reputation for reliability and trust.
Nick Hiteshew
General Manager
Nick, son of the founders, leads as General Manager with certifications in BPI and Manual J/D/S. He ensures the company maintains its commitment to quality and innovation in HVAC services.
Casey Kinnard
Install Foreman
Casey has over 25 years of HVAC experience and leads our installation team. His expertise in Diamondback and Fujitsu systems ensures precise, efficient installations that meet customer needs.
Joe Borruso
Service Supervisor
Joe supervises service and maintenance teams with 20+ years of experience. His BPI and NATE certifications reflect his technical expertise and dedication to resolving complex HVAC issues.
Questions
What rebates are available for heat pump installations?
We participate in California programs like TECH Clean California and HEEHRA, offering rebates up to $8,000. We handle paperwork to maximize your savings.
How long does a heat pump installation take?
Most installations complete in one day, with minimal disruption. Our team ensures efficient setup and thorough system testing before finalizing the job.
Do you offer financing options?
Yes, we provide $0 down financing on approved credit, allowing you to upgrade your HVAC system with manageable monthly payments.
Are your technicians certified?
All technicians are NATE-certified and factory-trained, ensuring expert installation and service for all HVAC systems.
What areas do you serve?
We serve the Bay Area, including Solano, Napa, and Contra Costa Counties, providing local expertise tailored to California’s climate and regulations.
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