Sonoma County
Heat Pump, HVAC & Water Heater Services in Rohnert Park, CA
Heat pumps, water heaters, AC, furnaces, and mini splits for Rohnert Park homes. Same-day water heater replacement when our schedule allows.
Green Core Heating & Air installs and services heat pumps, water heaters, air conditioning, furnaces, and ductless mini splits for homes in Rohnert Park, CA, from established neighborhoods near Sonoma State University to newer homes across town. Known for its open neighborhoods, parks, and proximity to Sonoma State University, Rohnert Park offers a comfortable, easygoing lifestyle — and your home should feel the same way. Our goal is to make sure your HVAC system supports that comfort every day, without inconsistency or high energy costs.
Whether you're spending the afternoon at Foxtail Golf Club, catching a performance at the Green Music Center, or enjoying time around Sonoma State, coming home should feel effortless. If your system struggles to keep up, runs constantly, or leaves certain rooms uncomfortable, it's usually not just the equipment — it's how the system was designed. That's where we make the difference.
Landmarks & neighborhoods we serve
- Sonoma State University
- Green Music Center
- Foxtail Golf Club
- Crane Creek Regional Park
Serving Rohnert Park
Designed for Rohnert Park Homes
We provide heat pump installation, air conditioning repair, furnace services, mini split systems, and ductwork upgrades tailored specifically to homes in Rohnert Park. Many properties in the area were built during periods of rapid development, and we often see HVAC systems that were installed quickly without proper design. That leads to common issues like uneven temperatures, poor airflow, and higher-than-expected energy bills.
Instead of simply replacing equipment, we take a design-first approach. We evaluate your home's layout, airflow, insulation, and usage patterns to ensure your system is properly sized and balanced. Whether it's upgrading to a high-efficiency heat pump, improving ductwork, or installing a mini split for targeted comfort, we focus on solutions that actually fix the problem — not just mask it.
Serving Rohnert Park
Built for Comfort, Efficiency, and Long-Term Performance
Rohnert Park's climate brings warm afternoons, cool evenings, and seasonal shifts that require your system to be both efficient and responsive. After a day out enjoying the local parks or nearby wine country, you should be able to come home to a space that feels consistently comfortable without constantly adjusting the thermostat.
Our team is committed to delivering systems that run quietly, efficiently, and reliably over time. Whether you need AC repair, furnace replacement, heat pump installation, or ductwork improvements, we design solutions that are built for long-term performance — so your home stays comfortable no matter the season.
Serving Rohnert Park
Why We Love Rohnert Park
Rohnert Park has a unique balance that's hard to find — it's organized, accessible, and still connected to everything that makes Sonoma County special. From mornings walking the local trails to evenings spent at the Green Music Center or out at local restaurants, it's a place where life moves at a comfortable pace.
We enjoy working in a city where homeowners value practical comfort and long-term reliability. Many of the homes here are well-built but benefit greatly from HVAC systems that are properly dialed in. Helping homeowners improve comfort, reduce energy use, and finally solve long-standing issues is what makes this work rewarding for us.
At the end of the day, we're not just installing systems — we're helping people come home to a space that feels right. And in a community like Rohnert Park, that matters.
Serving Rohnert Park
Water heaters in Rohnert Park
Need a new water heater in Rohnert Park? Green Core installs and replaces heat pump, tankless, gas, and electric water heaters, with same-day replacement when our schedule allows. Gas and electric tank installs start at $2,850.
For the lowest running cost, a SANCO2 or GE GeoSpring heat pump water heater is hard to beat, and Rohnert Park homes served by Sonoma Clean Power may qualify for rebates on top of TECH Clean California and BayREN programs, depending on current funding. Want endless hot water instead? We install Navien tankless units, sized to your household.
Many Rohnert Park homes keep the water heater in the garage, which is a great spot for a GE GeoSpring heat pump water heater with plenty of air around it.
Our services
HVAC services in Rohnert Park
Green Core provides the following services throughout Rohnert Park and surrounding Sonoma County areas:
Heating & cooling in Rohnert Park
Heat Pumps
Heat pumps are one of the most energy-efficient ways to heat and cool your home — reliable year-round comfort in a single, all-electric system.
Learn moreAir Conditioning
A properly designed AC system keeps your home cool and efficient — professional installation, repair, and replacement tailored to your home.
Learn moreFurnaces
Expert furnace installation, repair, and replacement — consistent comfort, improved efficiency, and long-term reliability.
Learn moreMini Splits
Ductless mini splits deliver targeted comfort with zoned control — ideal for additions, garages, older homes, and uneven-temperature spaces.
Learn moreDuct Work
Improve airflow, eliminate inefficiencies, and enhance comfort with ductwork installation, repair, and replacement done properly.
Learn moreHarvest Thermal
Harvest Thermal uses one all-electric heat pump for heating, hot water, and cooling, with smart controls that shift energy use to cheaper hours.
Learn more
Water heating in Rohnert Park
Water Heaters
Heat pump, tankless, gas, and electric water heater installation, repair, and replacement across Sonoma and Marin. Gas and electric tank installs start at $2,850.
Learn moreHeat Pump Water Heaters
SANCO2 and GE GeoSpring heat pump water heaters installed across Sonoma and Marin. Lower bills, cleaner hot water, and help with rebates.
Learn moreTankless Water Heaters
Navien tankless water heater installation, repair, and yearly maintenance in Sonoma and Marin. Endless hot water in a compact, wall-mounted unit.
Learn moreGas Water Heaters
Gas tank water heater replacement and repair in Sonoma and Marin, with same-day replacement when our schedule allows. Tank installs start at $2,850.
Learn moreElectric Water Heaters
Electric tank water heater replacement and repair in Sonoma and Marin, plus heat pump upgrades that can cut water heating costs.
Learn more
Our work
Recent projects in Rohnert Park
Real Green Core jobs for homeowners in Rohnert Park, with photos from the job site.
July 2026
HVAC maintenance and electrical diagnostics in Rohnert Park
We inspected the outdoor unit, attic air handler, and furnace, tested capacitors, contactors, and controls, checked refrigerant pressures, and cleared the condensate drain to keep the system running reliably.
See the job photos
Rohnert Park FAQ
Questions from Rohnert Park homeowners
Do you install heat pumps in Rohnert Park?
Yes. Green Core designs and installs heat pumps for Rohnert Park homes, including ducted heat pumps, ductless mini splits, and Harvest Thermal systems. Every install starts with a load calculation so the system is sized for your home.
Are there heat pump rebates in Rohnert Park?
Most Rohnert Park homes get their electricity through Sonoma Clean Power, with PG&E handling delivery. Depending on current funding, heat pumps and heat pump water heaters may qualify for rebates through Sonoma Clean Power, TECH Clean California, or BayREN. We check what's available and file the paperwork. The federal 25C tax credit ended for systems installed after December 31, 2025.
Do you replace water heaters in Rohnert Park?
Yes. We install heat pump, tankless, gas, and electric water heaters in Rohnert Park. Gas and electric tank installs start at $2,850, and we offer same-day replacement when our schedule allows.
Schedule HVAC service in Rohnert Park.
Local crews, fast response, honest pricing. Usually same-day callbacks.