Energy-Efficient HVAC Systems That Work for You
If your energy bills keep climbing or your home never feels quite comfortable, it may be time to consider an upgrade. At OHA HVAC, Plumbing, Chimney and Fireplaces, we install and service energy-efficient HVAC systems in Fredericksburg and Fairfax, VA, NOVA and surrounding areas to help homeowners stay comfortable while saving on utility costs. These modern systems are designed to deliver precise temperature control, improved air quality, and consistent performance—with less strain on both your wallet and the environment. Whether you’re replacing an outdated unit or building a high-efficiency home, we’ll help you choose the system that fits your space and your goals.
Why Choose High-Efficiency HVAC?
Energy-efficient heating and cooling systems use advanced technology to deliver the same—or better—comfort while consuming significantly less energy. We install ENERGY STAR® certified systems with high ratings, helping you qualify for local rebates and long-term savings. Our technicians evaluate your home’s size, insulation, and ductwork to ensure your system is perfectly sized and optimized for airflow. And with features like variable-speed compressors, smart thermostats, and zoning options, you’ll gain more control over how your home is heated and cooled.
Call 703-213-5161 today to schedule an energy audit or consultation.
Our Energy-Efficient HVAC Services
Upgrading to a high-efficiency system isn’t just about the unit—it’s about the whole process. We tailor every solution to your needs, and services may include:
- Installation of high-efficiency air conditioners, furnaces, or heat pumps
- Ductwork evaluation, sealing, or modification to improve airflow
- Smart thermostat programming and integration
- Removal and eco-friendly disposal of old equipment
- Sizing calculations and energy use estimates
- System balancing and fine-tuning for peak efficiency
- Preventative maintenance plans to maintain performance
We make energy upgrades easy and worthwhile, guiding you through rebate programs, warranty options, and system comparisons to help you make the best long-term decision.
Upgrade to Smarter HVAC Solutions Today
As your trusted HVAC contractor in Fredericksburg and Fairfax, VA, NOVA and surrounding areas, OHA HVAC, Plumbing, Chimney and Fireplaces is here to help you enjoy comfort without compromise. From system selection and professional installation to long-term maintenance and performance optimization, we make it easy to upgrade to a more efficient home. Our team is committed to honest guidance, exceptional workmanship, and solutions that truly fit your lifestyle and budget.
Call 703-213-5161 today to request a quote or schedule your energy-efficient HVAC upgrade consultation.
Frequently Asked Questions About Energy-Efficient HVAC Systems
What makes an HVAC system energy-efficient?
Energy-efficient HVAC systems use less electricity to heat or cool your space by leveraging advanced technology like variable-speed motors, smart thermostats, and higher SEER ratings.
Will upgrading to an energy-efficient system lower my utility bills?
Yes—energy-efficient systems consume less power, which can significantly reduce monthly energy costs. Many homeowners see savings of 20% or more.
Are there rebates or incentives for energy-efficient HVAC upgrades?
Yes—many states, utilities, and manufacturers offer rebates or tax credits for installing qualifying high-efficiency HVAC systems. We can help you find and apply for them.
Most Recent Pins (37)
Bernie Miller
A technician performed a heating system inspection and checked the humidifier in Fredericksburg, Virginia. This service helps ensure proper operation of the heating unit and balanced indoor humidity during colder months.
Bernie Miller
A technician repaired and cleaned a fireplace in Fredericksburg, Virginia. The service improved heating function and removed built-up debris to ensure safe and efficient use. This routine maintenance supports proper airflow and reduces fire hazards in residential settings.
Bernie Miller
A technician inspected and maintained a gas furnace humidifier in Fredericksburg, VA, optimizing component function and boosting system efficiency to ensure steady indoor humidity during seasonal changes.
Bernie Miller
A technician repaired a broken drain line and tested the plumbing system in Stafford, Virginia. The customer also requested a quote to upgrade an older system. This service addressed immediate plumbing issues while preparing for future system improvements.
Bernie Miller
A technician completed seasonal maintenance on a gas fireplace and furnace in Fredericksburg, Virginia. The service included inspecting and cleaning both systems to ensure safe and efficient operation for colder weather.
Bernie Miller
A technician performed maintenance on a gas furnace and humidifier in Fredericksburg, Virginia. The service improved system efficiency and ensured proper humidity control for indoor comfort.
Brian Hatfield
An HVAC technician provided an estimate for a heating and cooling system in Vienna, Virginia. The assessment included the current system's condition and recommendations for upgrades or replacements based on energy efficiency and performance.
Bernie Miller
A technician completed scheduled maintenance on a heat pump in Fredericksburg, Virginia. The service included inspecting system components and verifying proper operation to support energy efficiency and system longevity.
Bernie Miller
Technicians completed gas furnace maintenance, air purifier inspection, and fireplace service in Stafford, Virginia. Work ensured heating and air quality systems operated safely and efficiently ahead of colder weather.
Brian Hatfield
A technician provided an estimate for a new HVAC system in Fredericksburg, Virginia. The evaluation included system sizing, placement, and installation planning based on the property's requirements.
Brian Hatfield
A technician in Fredericksburg, Virginia inspected two HVAC systems. One system had a failed capacitor, and the other had a non-working outdoor fan motor. The technician explained repair and replacement options to the customer.
Bernie Miller
A technician completed maintenance and routine service on heat pumps and a fireplace in Fredericksburg, Virginia. This service helps ensure heating systems operate efficiently and safely ahead of cooler weather. Regular checks support system reliability and can extend equipment life.
Bernie Miller
A technician in Fredericksburg, Virginia repaired a malfunctioning blower fan. The service involved replacing a failed control relay to restore proper system function.
Scott Brown
Technicians in Falls Church, VA installed a new American Standard 3-ton split gas system. The project included a gas furnace, evaporator coil, condenser, and thermostat. Crews removed old components and added new return and supply boxes, safety-equipped drain pan, outdoor pad, and electrical connections. The system was pressure tested and verified to meet manufacturer standards.
Scott Brown
A technician in Fredericksburg, VA completed a fall HVAC maintenance visit for a one-zone system. The service included checking the filter, blower motor, condenser fan, refrigerant levels, and electrical components. The heating system was inspected and confirmed to be working properly with no issues found.
Scott Brown
Technicians in Fredericksburg, VA installed a 3 Ton American Standard Gold Series Split Heat Pump System using R454b refrigerant. The project included a new heat pump, air handler, thermostat, heat strip, and safety devices. They removed the old system, connected components to existing infrastructure, and confirmed performance met manufacturer specifications.
Scott Brown
A technician completed an HVAC cooling maintenance inspection in Woodbridge, VA on a single-zone system. The service included checking the blower assembly, flushing the drain, tightening electrical connections, inspecting the media coil, and verifying compressor amperage. The system passed all checks and is working properly without issues.
Scott Brown
Technicians installed a new Carrier air handler in a Colonial Beach, VA crawlspace, added a condensate pump with a drain line, and connected an 8kW heater package. They modified ducts for proper fit and reprogrammed the thermostat to restore electric heat. The system now operates across heating and cooling modes.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces installed a 3-ton American Standard split heat pump system in Arlington, Virginia. The team added a thermostat, air handler, and heat strip, completed humidifier connections, rerouted the waterline, installed a new drain, and confirmed proper function with an outdoor temperature sensor. The system runs reliably with no issues.
Scott Brown
Technicians installed a 5-ton American Standard split heat pump and air handler in Fredericksburg, VA. They removed the old unit, connected new components to existing electrical, ductwork, and zone board, and added safety devices. The system was pressure tested and vacuumed below 500 microns to verify proper operation to manufacturer standards.
Scott Brown
Technicians installed a 2-ton Ameristar split heat pump system with a matching air handler and heat strip at a home in Stafford, VA. They removed the old equipment, added new safety components, tested system pressure to 150 psi, vacuumed below 500 microns, and confirmed proper operation per manufacturer specifications.
Scott Brown
Technicians installed a 12,000 BTU Mitsubishi ductless mini-split heat pump system at a home in Woodbridge, VA. The project included mounting indoor and outdoor units, model numbers MSZ-WR12NA-U1 and MUZ-WR12NA-U2. Work followed the PricebookPlus Sales Agreement and was completed under the customer’s HSP Install Membership.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces completed a full HVAC system installation in King George, VA. The project included a 3 Ton American Standard Split Heat Pump with R-454B refrigerant, air handler, heat strip, and smart thermostat. The system was installed under a Home Service Plan and supports high efficiency and consistent comfort.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces provided a chimney repair estimate in Spotsylvania Courthouse, Virginia. The evaluation included terracotta flue restoration and a FireGuard sealant system. The technician also discussed the possible need for a stainless steel liner after reviewing previous quotes and the current condition.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces installed a 14.3 SEER 3.5-ton Air Temp gas package unit in Locust Grove, VA. The team added a new duct cover, digital comfort controller, refrigerant charge, outdoor pad, and completed system calibration. The unit connects to existing electric and ductwork. A labor warranty and maintenance plan were included.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces installed a 42,000 BTU Mitsubishi Multi-Zone Ductless System in Alexandria, Virginia. The team set up one MXZ-5C42NA3-U1 outdoor unit and completed safety checks, performance testing, and commissioning in line with Mitsubishi Electric standards for non-ducted multi-zone systems.
Scott Brown
OHA HVAC Plumbing Chimney and Fireplaces delivered a service estimate for Pricebook Plus in Alexandria, Virginia. The customer is reviewing the proposal and may proceed with approval or questions.
Scott Brown
Technicians in Fredericksburg, Virginia installed a new 3 Ton Coleman split heat pump system. The job included replacing the existing HVAC, installing a new air handler, thermostat, disconnect, floor wet switch, and pressure-testing the system. The team connected to existing ductwork and completed vacuum testing to ensure proper operation.
Scott Brown
OHA HVAC Plumbing Roofing Chimney and Fireplaces installed a 3-ton American Standard split gas HVAC system in Fredericksburg, VA. Work included new thermostat, evaporator coil, furnace, and condenser. Technicians removed the old unit, updated all connections, and confirmed system performance through pressure testing and vacuuming. The system meets manufacturer specifications and is fully operational.
Scott Brown
Technicians inspected an attic HVAC system in Ashburn, VA and identified a failure in the outdoor air movement unit. Based on the system’s condition and age, they provided both repair and full replacement estimates. Recommendations included upgrade options suited to the system’s specifications.
Scott Brown
An HVAC technician in Mineral, VA corrected improper drainage from a sweating air handler in a crawlspace. The team leveled the unit with rubber pads, flushed the pan, line, and pump, and restored system function. A start assist kit was recommended to support compressor performance. The system was tested and covered with a 30-day limited warranty.
Scott Brown
OHA HVAC Plumbing Roofing Chimney and Fireplaces completed an HVAC inspection in Fredericksburg, VA. The technician measured amp draws on the motor, fan, and compressor, checked supply and return temperatures, inspected the indoor coil, and confirmed all wiring and line sets were intact. Both indoor and outdoor units were working properly during the visit.
Scott Brown
OHA HVAC Plumbing Roofing Chimney and Fireplaces conducted an HVAC system replacement estimate in Fredericksburg, VA. The visit included an inspection of the existing unit and discussion of upgrade options. The team advised coordination among property owners to ensure informed decisions during the future installation process.
Scott Brown
HVAC technicians in Ashburn, VA recharged an underperforming air conditioning system with R-22 refrigerant. They confirmed the condenser showed no major leaks or oil discharge. Final readings indicated improved performance. The system is now cooling properly. A follow-up visit is scheduled to review full system replacement options with the property owner.
Scott Brown
An HVAC technician in Ashburn, VA, reconnected a disconnected attic supply duct. The duct was secured with straps and HVAC tape. The technician tested the system to confirm proper airflow. The heating and cooling system now operates normally, and airflow has been restored throughout the home.
Scott Brown
An HVAC technician in Centreville, VA inspected a previously reported cooling issue. The system showed normal operation with a stable 20°F temperature difference. No safety switches had tripped. The thermostat and cooling performance were within expected ranges. The technician advised the homeowner to monitor performance and report if issues reappear.
Scott Brown
OHA HVAC Plumbing Roofing Chimney and Fireplaces installed a 3-ton American Standard split gas system in Woodbridge, VA. The system includes a two-stage variable speed furnace, coil, and condenser, using R-454B refrigerant. This installation supports efficient heating and cooling across seasons while meeting all specifications required in the project agreement.
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