FAQ

Most furnaces last approximately 15–20 years, although actual lifespan depends on maintenance, usage, installation quality, and equipment type. If your furnace is approaching this age, experiencing frequent breakdowns, or becoming less efficient, it may be worth exploring replacement options.

Central air conditioners commonly last 10–15 years or longer, depending on operating conditions and maintenance. As equipment ages, it may lose efficiency, require more frequent repairs, or struggle to maintain comfortable indoor temperatures.

The decision depends on the age of your equipment, the cost of repairs, its efficiency, and its overall condition. If you’re facing an expensive repair on an older system, replacement may provide better long-term value. A Home Energy comfort specialist can help you compare your options.

Higher energy bills can result from aging equipment, dirty filters, leaky ductwork, inadequate insulation, thermostat settings, or an improperly sized HVAC system. An evaluation can help identify possible causes and opportunities to improve efficiency.

The right system size depends on more than square footage. Insulation, windows, ceiling height, layout, local climate, and other factors all affect heating and cooling requirements. Proper equipment sizing helps improve comfort, efficiency, and equipment performance.

HVAC stands for Heating, Ventilation, and Air Conditioning. These systems work together to regulate your home’s temperature, airflow, and indoor comfort.

Common warning signs include frequent repairs, uneven temperatures, unusual noises, rising utility bills, difficulty maintaining your desired temperature, and equipment nearing the end of its expected lifespan. These symptoms don’t always mean replacement is necessary, but they are good reasons to have your system evaluated.

Yes. In many homes, an air conditioner can be replaced independently of the furnace. However, certain equipment combinations may affect efficiency, compatibility, and performance. Our specialists can explain whether replacing one component or both makes the most sense.

Many standard residential furnace or air conditioner replacements can be completed in one day. More complex installations, including ductwork modifications, multi-system replacements, or certain heat pump installations, may take longer. Your installation team can explain the anticipated timeline before work begins.

Furnace efficiency is measured using Annual Fuel Utilization Efficiency (AFUE). A furnace with a 95% AFUE rating converts approximately 95% of its fuel energy into useful heat under standardized test conditions. Higher-efficiency models can reduce fuel consumption compared with less efficient equipment, although actual savings vary.

It can. Replacing older, inefficient equipment with a properly sized, energy-efficient system may reduce energy consumption. Your savings depend on your current equipment, energy prices, home characteristics, and how you use your system.

Not necessarily. Existing ductwork can often be reused if it is properly sized, sealed, and in good condition. If airflow problems, leakage, or design limitations are identified, modifications may be recommended to improve system performance.

Your installation team will remove the existing equipment, install the new system, make necessary connections, and test its operation. They should also review basic system operation, thermostat controls, and maintenance requirements so you understand how to use your new equipment.

A common recommendation is to have your heating system inspected annually and your air conditioning system inspected annually, ideally before their busiest seasons. Regular maintenance can help identify developing problems and support efficient operation.

Many standard filters should be checked monthly and replaced approximately every 1–3 months, depending on filter type, household conditions, pets, and system usage. Follow the manufacturer’s recommendations and replace filters sooner when needed.

Possible causes include thermostat settings, a dirty air filter, ignition problems, or other equipment issues. Some furnaces also briefly circulate unheated air during normal operation. If the problem continues, a professional inspection may be necessary.

Potential causes include restricted airflow, a dirty outdoor coil, refrigerant problems, thermostat issues, or equipment malfunction. Check your thermostat settings and air filter first. If cooling doesn’t improve, schedule a professional evaluation.

Frequent cycling, sometimes called short cycling, can be caused by thermostat problems, restricted airflow, equipment sizing issues, or mechanical faults. Repeated short cycles can affect comfort and system operation and should be investigated.

First, check your thermostat, circuit breaker, and air filter. If the furnace still won’t operate, contact a qualified HVAC professional. If you smell gas, leave the building immediately and contact your gas utility or emergency services from a safe location. Never attempt to repair a suspected gas leak yourself.

Yes. Routine maintenance helps keep equipment operating as intended, can reveal developing problems, and may help preserve manufacturer warranty coverage when maintenance is required. It also provides an opportunity to address efficiency and safety concerns.

A heat pump is an energy-efficient system that provides both heating and cooling. Rather than generating heat through combustion, it transfers heat from one location to another. During winter, it moves heat from the outdoor air into your home. During summer, it operates much like an air conditioner, removing heat from inside your home.

Yes! Modern cold-climate heat pumps are designed to operate in freezing temperatures. However, their heating capacity and efficiency vary with outdoor conditions. Some homes benefit from a supplemental heating system during extreme cold. Home Energy can help determine whether a heat pump is appropriate for your home and climate.

In many cases, yes. This arrangement is called a dual-fuel system. The heat pump provides efficient heating during milder conditions, while the gas furnace provides heating when outdoor temperatures or operating costs make it the better choice.

A ductless mini-split is a heating and cooling system that doesn’t require traditional ductwork. It typically includes an outdoor unit connected to one or more indoor units. Mini-splits are especially useful for additions, finished basements, garages, older homes, and rooms with inconsistent temperatures.

Absolutely. Ductless mini-splits can provide air conditioning without installing a traditional duct system. Depending on your home’s layout, one or multiple indoor units may be used to provide comfortable temperatures throughout selected spaces.

Yes. Many mini-split systems use inverter-driven compressors that adjust their output to match heating and cooling demand. This can reduce energy waste and improve temperature consistency compared with some conventional systems.

In some homes, yes. Whether a heat pump can serve as your primary and only heating system depends on the home’s heating requirements, the specific equipment, and the local climate. A proper evaluation is important before eliminating an existing heating source.

Operating costs depend on electricity rates, natural gas prices, equipment efficiency, and outdoor temperatures. In some situations, heat pumps offer lower operating costs. In others, a gas furnace or dual-fuel system may be more economical. Home Energy can help homeowners compare their options.

SEER2 stands for Seasonal Energy Efficiency Ratio 2. It’s a rating used to measure the seasonal cooling efficiency of air conditioners and heat pumps. Generally, higher SEER2 ratings indicate greater cooling efficiency under standardized testing conditions.

AFUE stands for Annual Fuel Utilization Efficiency. It measures how efficiently a furnace converts fuel into useful heat. For example, a 96% AFUE furnace converts approximately 96% of the fuel energy it consumes into heat for the home under standardized conditions.

Depending on your location, utility provider, and the equipment selected, rebates may be available for qualifying high-efficiency heating and cooling systems. Programs and eligibility requirements change, so it’s important to review current offers before making a purchase.

Tax incentives depend on current federal and state laws and the installation date. The federal Energy Efficient Home Improvement Credit under Section 25C is no longer available for equipment placed in service after December 31, 2025. Homeowners should review current incentive programs and consult a qualified tax professional regarding eligibility.

A rebate generally reduces the cost of eligible equipment through a payment or purchase-price adjustment. A tax credit reduces qualifying income tax liability. Eligibility requirements and how benefits are received vary by program.

Financing options may be available for qualifying customers and projects. Your Home Energy comfort specialist can explain currently available payment options, applicable terms, and eligibility requirements during your consultation.

For many homeowners, it can be. Higher-efficiency equipment may reduce energy consumption, improve comfort, and offer additional features such as variable-speed operation. The value depends on installation cost, utility rates, expected savings, and how long you plan to remain in your home.

Start with regular filter changes, proper thermostat settings, sealing air leaks, improving insulation, and addressing ductwork leakage. These improvements can reduce energy waste and help existing heating and cooling equipment operate more effectively.

Uneven temperatures can result from ductwork design, airflow restrictions, insulation differences, sun exposure, or an HVAC system that isn’t properly balanced. Depending on the cause, solutions may include airflow adjustments, ductwork improvements, zoning, or supplemental heating and cooling.

Indoor air quality can be improved through appropriate filtration, ventilation, moisture control, and reducing indoor pollutant sources. The best approach depends on your home and specific concerns.

A whole-home humidifier works with your heating system to add moisture to indoor air when humidity levels are too low. Maintaining appropriate humidity can help reduce dry-air discomfort during cold winter months.

A whole-home dehumidifier removes excess moisture from indoor air. Controlling indoor humidity can improve comfort and help reduce conditions that encourage mold growth.

Proper filtration and ventilation may help reduce airborne particles such as dust and pollen. However, HVAC filtration does not eliminate every allergen or pollutant, and it is not a substitute for addressing pollutant sources or obtaining medical advice when needed.

An Energy Recovery Ventilator helps exchange stale indoor air with fresh outdoor air while transferring some heat and moisture between the outgoing and incoming air streams. ERVs can support ventilation while reducing some of the energy required to condition incoming outdoor air.

An air filter captures particles as air passes through the HVAC system. Air purifiers may use additional technologies to address certain airborne contaminants. Effectiveness varies by product and technology, so it’s important to choose equipment appropriate for your home’s needs.

Smart thermostats can offer convenience, scheduling features, remote temperature adjustments, and energy-use information. Some can help reduce heating and cooling costs by adjusting temperatures when you’re away or asleep. Compatibility with your existing equipment should be verified before installation.

Yes! Home Energy Heating & Cooling is a proud HVAC service provider for The Home Depot. We help customers explore heating and cooling replacement options through in-home consultations and professional installation services.

Yes. Homeowners can request a heating and cooling consultation through participating Home Depot locations or approved Home Depot service channels. Home Energy works with customers to coordinate appointments and review available HVAC solutions.

Home Energy offers free, no-obligation in-home consultations for qualifying heating and cooling replacement projects. During your appointment, a comfort specialist evaluates your existing equipment and discusses potential replacement solutions without a consultation or dispatch fee.

Your comfort specialist will review your existing equipment, discuss heating and cooling concerns, evaluate your home’s needs, and explain available replacement options. You’ll have an opportunity to ask questions, compare equipment, and review upfront pricing before making a decision.

No. Your in-home consultation is designed to provide information and help you understand your options. There is no obligation to purchase a system.

Your installation will be coordinated through Home Energy Heating & Cooling using qualified installation professionals. The installation process, equipment selections, and project details will be reviewed before work begins.

Yes. Home Energy provides residential heating and cooling replacement solutions, including furnaces, central air conditioners, heat pumps, and ductless mini-split systems.

Yes. Home Energy serves homeowners in designated service areas throughout Minnesota and Iowa, including communities in and around the Twin Cities and Des Moines metropolitan areas. Contact our team to confirm service availability for your address.

Many homeowners begin around 68°F while at home and awake, then adjust based on comfort and household needs. Lowering the temperature when sleeping or away may reduce heating costs, although heat pumps and other systems may benefit from different control strategies.

Generally, closing multiple supply vents is not recommended unless your system was specifically designed for that purpose. Doing so can increase duct pressure and affect airflow and equipment performance.

Most outdoor air conditioning units are designed to withstand normal weather conditions. A full cover can trap moisture or attract pests. Follow the manufacturer’s recommendations, and never operate a heat pump with its outdoor unit covered.

Ice buildup can result from restricted airflow, refrigerant issues, or other system problems. Turn off cooling and contact a qualified professional if the problem persists. Continuing to operate a frozen system can cause additional damage.

Rattling, banging, squealing, or grinding noises may indicate loose components, airflow problems, or mechanical wear. Some expansion and contraction sounds are normal, but persistent or unfamiliar noises should be evaluated.

Replace or check your air filter, test your thermostat, keep vents clear, and schedule a heating system inspection. Make sure carbon monoxide alarms are working properly and that furnace exhaust and intake openings remain unobstructed.

Check your air filter, clear debris around the outdoor unit, test cooling operation before hot weather arrives, and consider a professional inspection. Maintaining proper airflow and clean equipment can help support reliable performance.

An updated, efficient heating and cooling system can make a home more attractive to potential buyers, particularly when replacing aging or unreliable equipment. However, the effect on resale value varies by property and market.

The best system depends on your home’s size, insulation, existing ductwork, comfort goals, fuel availability, energy costs, and budget. A professional in-home evaluation can help narrow your options and identify an appropriate solution.