There are lots of nuances to this, but we’re generally fans of building at least to a “ Pretty Good House” standard. It really doesn’t cost that much more money to build a tighter, better-insulated home, and the effort to do so will result in huge savings down the road, in terms of energy bills you don’t need to pay and carbon pollution you’ll keep out of the atmosphere. While building codes have gotten tougher around energy efficiency, we still think that a code-built home is far below the minimum insulation/air-tightness that any reasonable person would want. The most important advice we have doesn’t even pertain to solar…it’s about the house itself. With no moving parts, a solar panel system is one of the most reliable, long-lived mechanical systems you can invest in. Solar panels come warrantied for 25 years and are expected to have a service life of 40+ years. By building a tight, well-insulated home, you reduce the need to build an expensive monstrosity of a heating system, freeing up funds to pay for the heat pump and solar combo (more on that shortly). While it’s great to save money on your electric bill, solar really becomes a valuable investment when used to power heating and cooling equipment, such as modern cold climate heat pumps and heat pump water heaters. Solar electricity can be used to heat and cool your home.Since 2010, there has been a 64% reduction in the cost of residential PV systems, respectively. The cost of solar panels has declined sharply in the last decade. We’ve seen a steadying decline in costs, driven largely by photovoltaic (PV) module efficiencies (now 19.5%, up from 19.2% in 2019) and hardware and inverter costs.Our bright, chilly spring and fall and long summers help make up for the dark days of winter. New England’s solar resource is abundant. Each year, we receive the same amount of usable solar energy as Houston, Texas.While most people know that powering your home with solar is better for the environment, many don’t know that solar is a powerful economic benefit too:
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