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HVAC FAQs

HVAC Service | GreenCity Heating and Air Conditioning

HVAC FAQs

Questions & Answers Based on Brands, Energy Efficiency & Noise Level

Many brands prioritize sustainability in their manufacturing processes. Trane, Carrier, and Lennox have taken steps to reduce their environmental impact, using eco-friendly refrigerants and energy-efficient technologies. Additionally, Mitsubishi and Daikin are leaders in the green energy space, particularly with their heat pump systems.

Are there eco-friendly HVAC brands?

Yes, many brands prioritize sustainability in their manufacturing processes. Trane, Carrier, and Lennox have taken steps to reduce their environmental impact, using eco-friendly refrigerants and energy-efficient technologies. Additionally, Mitsubishi and Daikin are leaders in the green energy space, particularly with their heat pump systems.

What is the lifespan of a heat pump compared to a gas furnace?

A well-maintained heat pump typically lasts about 15-20 years, while a gas furnace can last about 20-30 years. However, heat pumps are more efficient over time and often have lower maintenance costs. Gas furnaces can last longer but are less efficient in terms of energy usage.

How do I maintain my HVAC system to keep it running efficiently?

Regular maintenance is crucial for efficiency. For heat pumps and air conditioners, this includes cleaning filters, checking refrigerant levels, and ensuring there’s no debris blocking the outdoor unit. For furnaces, replace filters regularly and schedule professional inspections to ensure the system is running efficiently.

How does the efficiency of a heat pump change with temperature?

Heat pumps become less efficient as the temperature drops, but modern cold-climate heat pumps are designed to still operate efficiently in freezing temperatures. Variable-speed heat pumps can adjust their output to maintain consistent comfort levels without wasting energy.

Can I use a heat pump with existing ductwork, or do I need to install new ducts?

If your home already has efficient ductwork and it’s in good condition, you can often use it with a new ducted heat pump system. However, if your ducts are outdated or inefficient, it might be a good idea to install new, properly sized ducts or consider a ductless mini split system instead.

How much noise does a heat pump or ductless mini split make compared to a furnace?

Ductless mini splits are generally quieter than furnaces, especially since the compressor is located outside. Heat pumps can also be quieter than gas furnaces, but they may generate a hum or low noise during operation. Brands like Mitsubishi and Fujitsu are known for offering some of the quietest systems.

How do electric heat pumps compare to gas-powered systems in terms of cost savings?

While gas systems can be cheaper to install initially, electric heat pumps often result in long-term savings because they are more energy-efficient, especially in regions like Western Washington with a clean grid. In addition, with the state’s push toward decarbonization, switching to an electric system can help future-proof your home.

Will installing a new HVAC system help increase the resale value of my home?

Yes, installing a new, energy-efficient HVAC system can increase the resale value of your home. Homebuyers are increasingly looking for homes with low utility costs and sustainable systems, so having a modern heat pump or energy-efficient furnace can be an attractive selling point.

Are there HVAC systems that can operate without ductwork?

Yes, ductless mini splits are the best option for homes without existing ductwork. These systems are easy to install and can provide both heating and cooling. They are particularly popular for homes with limited space, additions, or homes that don’t have existing central HVAC systems.

Are there government incentives or rebates for installing energy-efficient systems?

Yes, Washington State offers several incentives and rebates for installing energy-efficient systems, particularly for heat pumps and air conditioners. The Washington State Clean Energy Incentive Program offers rebates for energy-efficient heat pumps, and there may also be federal tax credits for installing qualifying systems.

How do I determine the right size HVAC system for my home?

An HVAC contractor will perform a Manual J load calculation to determine the right size system based on factors like your home’s square footage, insulation, window types, and local climate. It's essential to select the right size to avoid wasting energy or under-heating/cooling your home.

Do heat pumps work well for heating homes in colder areas like the Pacific Northwest?

Yes, modern cold-climate heat pumps are designed to perform efficiently even in temperatures as low as -5°F to 15°F, making them well-suited for Western Washington’s winter conditions. Brands like Mitsubishi and Daikin have specialized models that excel in colder climates.

Are ductless mini splits energy-efficient compared to central heating systems?

Yes, ductless mini splits are highly efficient because they don’t suffer from the energy loss common with ducted systems. Ductless systems can be up to 30% more efficient in some cases, especially when heating or cooling individual rooms or zones, making them a great option for homes with different temperature needs.

Is it worth upgrading from a gas furnace to an electric heat pump?

Upgrading to an electric heat pump can be a smart decision, especially in Washington, where the grid is powered largely by clean hydroelectric energy. Heat pumps can provide year-round heating and cooling, and with rising natural gas prices, electricity may become a more cost-effective option over time. However, it’s important to assess the installation costs, your home’s insulation, and your long-term energy usage.

How can I reduce my energy costs with a new HVAC system?

To reduce energy costs, choose a high-efficiency system with a high SEER rating (for cooling) and HSPF rating (for heating). Installing a smart thermostat, proper insulation, and sealing leaks can also improve efficiency. Additionally, opting for ductless mini splits or variable speed heat pumps can further optimize energy usage.

How much will it cost to switch from a gas furnace to a heat pump?

The cost to replace a gas furnace with an electric heat pump in Western Washington typically ranges from $5,000 to $12,000, depending on the size of your home, the brand, and the complexity of the installation. Federal and state incentives may reduce this cost, especially if you install an energy-efficient, high-performance system.

Are there any HVAC brands that are quieter than others?

Yes, some brands are specifically designed to operate quietly. Mitsubishi, Daikin, and Fujitsu are known for their low-noise ductless mini split systems, while Carrier and Trane offer quieter models in their heat pump and furnace lines. Noise levels typically vary between model types, so it’s important to look for those rated for quiet operation.

Should I choose a gas-powered furnace or an electric heat pump in Washington State?

With Washington's renewable energy grid, electric heat pumps are becoming a popular choice due to their energy efficiency and lower carbon footprint compared to traditional gas furnaces. Heat pumps can both heat and cool your home, making them ideal for the temperate climate. Many residents are making the switch to electric systems as part of the state’s push to reduce greenhouse gas emissions.

What is the most energy-efficient HVAC brand for my home?

Lennox and Carrier both offer some of the most energy-efficient models, with SEER ratings of 20 or higher for air conditioners and HSPF ratings of 10 or more for heat pumps. Trane also offers high-efficiency models with excellent performance in cold weather. Efficiency varies by model, so it’s essential to consider both seasonal energy efficiency ratios (SEER) and heating seasonal performance factors (HSPF) when selecting a system.

Which HVAC brands are the most popular in Western Washington?

Popular brands in Western Washington include Trane, Carrier, Lennox, Goodman, Daikin, and Mitsubishi. These brands are well-regarded for their energy efficiency, reliability, and customer service, which are especially important given the region's focus on sustainability and reducing energy costs.