women adjusting her heat pump to make home comfortable

Can a Heat Pump Produce Carbon Monoxide?

Conventional heating systems, like gas and oil furnaces and boilers, work by burning fuel to generate heat. This is called combustion heating. It’s an effective way to heat your home, but it comes with a risk. Combustion heating can create harmful byproducts, including carbon monoxide. If your system is not vented and maintained properly, these … Read more

a verses image with a heat pump on the left and a furnace on the right

Heat Pump vs Furnace: Which Is Better for Home Heating?

Replacing your home’s heating system can be frustrating, but it’s also an exciting opportunity to improve your home. A new heating system will make your home safer, more comfortable, and more energy efficient—if you choose the right one.  In this post, we break down the pros and cons of two of the most popular types … Read more

cellulose insulation

Massachusetts Insulation Rebates & Tax Credits for 2025

Insulating and air sealing your house is one of the best ways to save energy, which is good for the world and your wallet. The Environmental Protection Agency estimates that you can save an average of 15% on heating and cooling costs by insulating and air sealing your home!  What’s even better is that home … Read more

close up on yellow fiberglass insulation

Why You’ll Regret Installing Fiberglass Insulation (And What to Use Instead) 

Fiberglass insulation has been around for decades. It’s the most commonly used type of insulation in American homes, mainly because it’s readily available and affordable. But fiberglass insulation has a lot of downsides and is rarely the best choice.  In this article, we explain why you shouldn’t use fiberglass for your home’s insulation upgrade and … Read more

Heat pump installed on a wall

What Is a Mini Split Heat Pump & How Do They Work?

Are you looking for an energy efficient way to heat and cool your home? A mini split heat pump is a great option, especially if you’re currently relying on radiator heating and/or window air conditioners.  Mini split heat pumps are a type of air-source heat pump that operates without ductwork. They provide both heating and … Read more

neeeco employee sealing a door

How to Fix Drafty Windows & Doors for Good 

During the winter, cold drafts from windows and doors can quickly go from uncomfortable to unbearable. Plus, they waste energy. If cold air is coming in around your doors and windows, warm air is also seeping out. That makes it harder for your heating system to keep your home warm, driving up energy costs.  There … Read more

Neeeco insulation technician insulating existing exterior walls of white home in Massachusetts

Why You Can & Should Insulate Existing Walls

Uninsulated walls are surprisingly common, especially in older houses. They can cause serious comfort and energy efficiency issues, but many people believe that insulating existing walls is a major hassle, so these issues persist.  The good news is that this isn’t always the case. You can absolutely add insulation to existing walls, and doing so … Read more

newly installed beige heat pump external unit on the side of a yellow-ecru home

Can a Ductless Heat Pump Heat a Whole House?

If you’re looking for a more energy efficient way to heat your home, ductless heat pumps are a great option. Ductless heat pumps (also called mini split heat pumps) work by moving heat rather than burning fuel to generate it like a furnace or boiler, which is a much more efficient process.   While the energy … Read more

classic style american house surrounded by autumn leaves, Boston, Massachusetts, USA

How to Make an Old House Energy Efficient Without Hurting It

Old houses are full of charm, but they’re also full of inefficiencies. Common problems in an old house, like cold drafts, hot spots, temperature swings between rooms, and high energy bills, can almost always be traced back to energy efficiency issues. If you want to make improvements but are worried about the impact they’ll have … Read more

air conditioning unit on bedroom wall

How Ductless Air Conditioning Works

Thinking about installing a ductless AC? Before you do, it’s important to understand how these innovative systems work.  Despite the name, a ductless air conditioner is not actually an air conditioner — it’s so much more than that. The term ductless air conditioner is a misnomer for ductless heat pump, which is a highly efficient … Read more

contractor inspecting attic insulation

Does Your Attic Insulation Need to Be Upgraded? Here’s What to Look For 

Attic insulation can last for decades, depending on the material. It doesn’t need to be replaced often, but It may need to be upgraded if there isn’t enough of it; older homes tend to have little to no insulation, leaving them vulnerable to energy loss and comfort issues.  Keeping an eye on your attic insulation … Read more

Cutout of triple vs double pane windows on branded Neeeco teal background

Double-Pane vs Triple-Pane Windows: What’s the Difference?

Your windows have a big impact on your home’s energy efficiency. According to the Department of Energy, heat loss and gain through windows is responsible for 25-30% of the energy used for heating and air conditioning in a home!  Installing multi-pane replacement windows can significantly improve your home’s energy efficiency and help you save money … Read more

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