Business Details
35 Years
experience
Emergency
services
Expert HVAC Services in Vacaville, CA
Greiner Heating & Air was founded on core principles of honesty, care, and patriotism, serving Solano and Yolo Counties since 1991. Our team specializes in residential heating, cooling, and energy efficiency solutions, prioritizing customer satisfaction through expert service and transparent communication. With over 30 years of experience, we focus on building long-term relationships by delivering reliable repairs, installations, and maintenance tailored to individual home needs. Our certified technicians hold industry-recognized credentials, including BPI and NATE certifications, ensuring high-quality workmanship.We actively engage in local communities, supporting organizations and initiatives that strengthen neighborhood ties. Backed by a BBB A+ rating and numerous customer accolades, we emphasize preventive maintenance plans to extend system longevity while reducing energy costs. Our commitment to efficiency extends to using advanced diagnostic tools and eco-friendly practices that align with modern home performance standards. By maintaining a 100% residential focus, we ensure every project receives personalized attention from initial consultation to final service completion.
Services
AC Repair
Heating Services
Water Heater Services
Mini Split Services
Furnace Repair
Details
- Year established: 1991
Highlights and features
- 30+ years of residential HVAC expertise in Solano and Yolo Counties
- BPI- and NATE-certified technicians for industry-standard service quality
- 24/7 emergency repair availability with same-day service commitment
- Customized energy efficiency solutions reducing long-term operating costs
- Community-focused business supporting local organizations and veterans
Associations and certifications
- BBB A+
- Building Performance Institute (BPI)
- North American Technician Excellence (NATE)
What people say
Knowledgeable, polite, thorough
Fast response times
Excellent follow-up
Cost-effective solutions
Military/veteran support
Services
AC Repair
Our certified technicians diagnose and fix cooling system issues using advanced diagnostic tools and manufacturer-approved parts. We address refrigerant leaks, electrical malfunctions, and component failures to restore optimal performance. With 24/7 emergency availability, we minimize downtime during peak summer months while ensuring energy-efficient operation.
Furnace Repair
We provide comprehensive furnace diagnostics and repairs for gas, electric, and oil systems. Our NATE-certified technicians address ignition failures, thermostat issues, and heat exchanger problems while maintaining safety standards. Regular maintenance reduces breakdown risks during winter months in Vacaville's climate.
AC Installation
Professional AC unit replacement and installation services using energy-efficient models tailored to home size and climate needs. Our process includes load calculations, old unit removal, and performance testing. Financing options available for qualifying customers seeking long-term savings through modern systems.
Furnace Installation
We install high-efficiency furnaces with proper sizing and venting configurations for optimal performance. Our team handles permits, old unit removal, and system integration while explaining efficiency ratings and warranty terms. Financing options help manage upfront costs with long-term savings potential.
Preventive Maintenance
Seasonal maintenance plans include system inspections, coil cleaning, refrigerant checks, and efficiency calibrations. Our 21-point checklist ensures peak performance while maintaining manufacturer warranties. Regular service extends equipment lifespan and reduces unexpected breakdowns during extreme weather conditions.
People
Patty Greiner
Founder
Established Greiner Heating & Air in 1991 with core values of honesty and community service. Leads with a focus on ethical business practices and veteran employment initiatives.
David K.
CFO
Manages financial operations with emphasis on sustainable growth and customer-friendly financing options for HVAC upgrades.
Danny A.
General Manager
Coordinates daily operations ensuring service quality standards across all residential projects in Solano and Yolo Counties.
Shaun S.
Service Manager
Oversees technician scheduling and emergency response logistics to maintain same-day service commitments for critical HVAC failures.
Dennis L.
Senior Installation Manager
Supervises HVAC installation teams ensuring proper system sizing, code compliance, and performance verification during new installations.
Questions
What HVAC services do you offer in Vacaville?
We provide complete heating, cooling, water heater, and mini-split services including repairs, installations, and maintenance plans for residential customers.
Do you offer emergency HVAC repairs?
Yes, our 24/7 emergency service responds to urgent heating and cooling failures with same-day technician availability.
Are financing options available for HVAC replacements?
We offer 6, 12, and 18-month same-as-cash financing for qualifying customers on new system installations.
How often should HVAC systems receive maintenance?
Manufacturers recommend bi-annual maintenance (spring for AC, fall for heating) to maintain warranties and system efficiency.
What certifications do your technicians hold?
Our team includes BPI- and NATE-certified technicians with EPA Section 608 certification for refrigerant handling compliance.
Do you serve areas beyond Vacaville?
We service all of Solano and Yolo Counties including Davis, Fairfield, Woodland, and Natomas regions.
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