In an effort to conserve our earth’s natural resources, the search for sustainable, more energy efficient products touches every area of our lives. This includes HVAC systems for our homes.
Why Consider Eco-Friendly HVAC Options?
Aside from global warming concerns, unpredictable weather patterns, and attempting to conserve natural energy sources, the demand for energy to power HVAC systems is putting a strain on already outdated electrical grids.
According to a press release from the International Energy Administration (IEA), “…renewables will only be able to meet around half the projected increase in global electricity demand over (those) two years (2021 and 2022).”
Take a look at some of the eco-friendlier HVAC options available today, and upcoming, exciting future trends.
Solar Powered Heating and Cooling
While the sun is used to generate electricity, it’s also becoming a popular choice for both heating and yes, cooling your home.
The solar power industry predicts growth of up to 20.5% between 2019 through 2026.
Solar panels collect energy from the sun and collect it into an absorber, stored as a thermal mass for later use. Heat is distributed from the thermal mass by a fan-directed ventilation system. Heat levels can be regulated with controls throughout the home.
The same concept is used for cooling your home. Some options include:
- Solar Photovoltaic (Solar PV)
Gathering energy from the sun through solar panels, the solar energy is stored in a battery and converted into electricity to run the A/C unit. - Solar Thermal System
Solar energy is collected through a plate. The energy powers an electric generator which powers the compressor required for the A/C refrigeration process.While more energy efficient than some conventional A/C systems, it’s less efficient than Solar PV technology.
- Absorption Chillers
Solar power collected from solar panels is used to charge batteries that power the fan and compressor motor needed to generate cool air.
Radiant Heating and Cooling
Hydronic, or radiant, heat uses water, or a mixture of antifreeze and water in colder climates, through tubes arranged in a strategic pattern in the floor underneath the flooring.
The water is heated, and the heat rises up through the floor, creating an extremely comfortable and evenly distributed heat throughout living spaces.
Radiant heat may also be generated by electric pads/wires run under the floor. The electric pads are heated, and heat rises through the floor.
Radiant cooling can be added as an option by using a chiller and/or dehumidifier. While radiant cooling technology is still relatively new, the idea is to run cold water through pipes placed inside insulated ceiling panels.
While radiant systems can be expensive up-front, the long-term savings of up to 15% annually will pay dividends in the future and are better for the climate and natural resources.
Geo-Thermal Pumps
Hands down, geo-thermal pumps are the most energy efficient, cost effective and green HVAC option on the market today.
Geo-thermal pumps draw energy from the earth which is processed through the heat pump. The heat pump efficiently and evenly distributes heat through your home.
For cooling, the process is reversed. The geo-thermal system takes hot air in the home and removes it from inside and sends it outside, leaving nothing but cool, fresh air throughout the home.
Thermal technology continues to be developed by using solar energy to completely power the heat pump, with no need for electricity. Within the next decade, this technology holds great promise.
HVAC Zones
By utilizing “mini splits” in your HVAC system, the heating and cooling systems are “split” by rooms into separate HVAC zones. This allows you the option of controlling rooms individually and limiting heating or cooling energy in seldomly-used rooms.
This is a good choice for homeowners who want an A/C system, but not a central air system.
Choose Green Today for a Brighter Tomorrow
The decision to install more eco-friendly HVAC systems may be cost prohibitive upfront. While waiting for incentives, rebates, or technology to drive costs down, there are still things you can do now to get on the path to greener living.
Smart Technology
Smart thermostats allow homeowners to control the heating or cooling of their homes remotely. They can also lower temperatures in your home at specific times when no one is home or turn on the system before you get home.
Pay Attention to Energy Star Ratings
When shopping for an HVAC system, always look for a system with high Energy Star ratings.
DIY Maintenance
Simple eco-friendly options also include changing your air filter regularly, repairing leaky air ducts and keeping your HVAC system cleaned and maintained.
While innovative green options and new HVAC technologies are in research and test phases (watch for ice-powered A/C units), contact your local, expert HVAC installation experts at Dale HCS to discuss the most energy efficient HVAC systems, upgrades and technologies for an environmentally-friendly, comfortable home.