When the cold months roll in, having a reliable furnace is more than just a convenience - it’s a necessity. I’ve learned over the years that keeping your furnace in top shape isn’t just about comfort; it’s about safety, efficiency, and saving money. That’s why I always recommend taking the time to schedule furnace maintenance every year. It’s a simple step that can make a big difference in how your home feels and how your heating system performs. Why Annual Furnace Maintenanc

When it comes to heating and cooling systems, choosing the right refrigerant is crucial. Two refrigerants that often come up in discussions are A410A and R454B. Both are used in HVAC systems, but they have distinct characteristics that affect performance, environmental impact, and safety. I want to share what I’ve learned about these two refrigerants to help you make informed decisions for your home comfort needs. What Are A410A and R454B? Before diving into the differences

When your air conditioner stops working on a hot summer day, it can feel like a real emergency. I’ve been there myself, and I know how important it is to get your AC back up and running quickly. Fortunately, there are some straightforward steps you can take to make sure your AC repair is as fast and efficient as possible. Whether you live near the NH Seacoast, Lakes Region, or Southern Maine, these tips will help you avoid long waits and get your home cool again in no time. W

A new home slab is more than just a foundation. It presents a unique opportunity to build comfort into your house before the walls go up and the floors are laid. Once the concrete is poured, making changes becomes challenging and costly. This is why radiant heating deserves serious consideration during the planning stage. Radiant heat in a slab warms the floor directly, allowing warmth to rise evenly throughout the room. Unlike traditional systems that blow hot air from vents

When the summer heat hits New Hampshire’s Seacoast and Lakes Region, having a dependable air conditioning system is more than just a convenience - it’s a necessity. I’ve learned that keeping your AC in top shape means you can enjoy those warm months without the stress of unexpected breakdowns. That’s why I want to share some practical insights about reliable air conditioning repair services and how to make sure your home stays cool and comfortable all season long. Why Quality

When the summer heat hits New England, especially around the NH Seacoast and Lakes Region, having a reliable air conditioner is more than a luxury - it’s a necessity. But sometimes, even the best systems can struggle to keep up. If you’ve ever found yourself wondering why your AC isn’t cooling as it should, you’re not alone. I’ve been there, and I want to share some practical tips and insights to help you avoid common AC cooling issues on those scorching hot days. Understandi

When the summer heat hits New England, especially around the NH Seacoast and Lakes Region, having a reliable air conditioner is a must. But what happens when your AC just isn’t keeping up? I’ve been there, and it’s frustrating to say the least. Luckily, many common AC cooling issues can be fixed with some simple troubleshooting. Let’s walk through some practical steps to get your system back to cooling your home comfortably. Understanding AC Cooling Troubleshooting Basics Bef

When it comes to keeping your home comfortable year-round, choosing the right heating and cooling system is a big decision. Living in New England means dealing with cold winters and warm summers (and getting hotter!), so having an efficient, reliable system is essential. Over the years, I’ve learned that understanding the options available can make all the difference in comfort, energy bills, and peace of mind. Today, I want to walk you through the most popular home heating a

Replacing filters regularly is essential to keep your equipment running smoothly and maintain clean air or water quality. Yet, many people find ordering replacement filters confusing or time-consuming. This guide breaks down the process into clear, manageable steps so you can order your filter replacements with confidence and ease. You can also follow along here: Click the link here for our MOBILE PHONE FILTER ORDERING TUTORIAL Whether you need filters for your home air purif

When you invest in a new heating or cooling system, you want to be sure it will work smoothly for years to come. That’s why I’m excited to share how our 5 year labor maintenance and 5 years of annual maintenance with all new installations can give you peace of mind. This kind of long-term care helps protect your home comfort system and keeps it running efficiently through every season. Why Long-Term Maintenance Matters for Your Home Systems Heating and cooling systems are c

When the summer heat hits hard, having a reliable air conditioning system is a lifesaver. But if your old AC unit is on its last legs or you’re building a new home, you might be wondering: how much does a new AC unit installation cost? It’s a question that comes up often, and the answer isn’t always straightforward. There are many factors that influence the price, from the size of your home to the type of system you choose. In this post, I’ll walk you through the key points y

Clean air is essential for a healthy home and workplace. Yet, many people overlook the importance of regularly changing air filters, which can lead to poor indoor air quality, higher energy bills, and even health issues. A filter program that includes free shipping and regular reminders can make maintaining your air filters simple and convenient. This blog post explains how such a program works, why it matters, and how it can help you keep your air quality at its best year-ro

When the summer heat hits New England, having a reliable air conditioning system is more than just a luxury - it’s a necessity. I’ve learned that keeping your home comfortable often depends on how well your AC unit is maintained and repaired when needed. If you’ve ever experienced a sudden breakdown or noticed your cooling system isn’t working as efficiently as before, you know how frustrating it can be. Luckily, there are plenty of ac repair service options that can help res

When the summer heat hits New England, especially in New Hampshire's Lakes Region and Southern Maine, a working air conditioner is more than a luxury - it’s a necessity. But what happens when your AC suddenly stops cooling effectively on one of those scorching days? I’ve been there, and it’s frustrating. Luckily, many common AC problems can be diagnosed and fixed with a little know-how and some practical steps. In this post, I’ll walk you through ac cooling troubleshooting ti

When it comes to keeping your home comfortable all year round, finding the right heating and cooling company is essential. Living in New England, especially around the NH Seacoast and Lakes Region, means dealing with a wide range of weather conditions. From chilly winters to warm summers, your HVAC system needs to be reliable and efficient. That’s why I want to share why Key Heating & Cooling stands out as a top choice for local HVAC services Exeter residents can trust. Trust

Why Homeowners and Industry Experts Can't Stop Talking About Quilt Heat Pumps Quilt is the smartest way to heat and cool your home. In the past year, Quilt ductless heat pumps have captured the attention of the industry. Here’s why: TIME named Quilt to its Best Inventions of 2025 list, recognizing how Quilt systems address the energy transition with room-by-room control and industry-leading efficiency. Fast Company named Quilt one of the Most Innovative Companies of 2025 in d

Keeping your home comfortable year-round in New Hampshire’s Lakes Region and Seacoast means staying on top of your heating and cooling systems. One of the best ways to do that is by signing up for a membership plan for the annual maintenance of your home's heating and cooling systems. These plans offer peace of mind, save you money, and help your equipment run efficiently through every season. In this post, I’ll walk you through why annual maintenance matters, what membership

Ductless heating and cooling systems have grown in popularity for their efficiency and flexibility. Yet, many homeowners and businesses hesitate to install them because of their higher upfront cost compared to traditional HVAC systems. Understanding why ductless systems are expensive helps you make an informed decision about whether the investment is worth it for your space. Ductless mini-split indoor unit installed on a bedroom wall What Makes Ductless Systems Different Unli

New Hampshire summers are warming up and humidity is rising. Here's why a Quilt ductless heat pump is the smartest cooling upgrade New Hampshire homeowners can make this season. When you book through Key Heating and Cooling before June 30, 2026, you get $400 off per room on your Quilt installation. New Hampshire summers aren't what they used to be New Hampshire has always had its seasons, and locals have always appreciated the contrast — crisp falls, snowy winters, and summer

If you’ve ever wondered how geothermal heating and cooling systems work, you’re in the right place. I’m here to walk you through the basics in a warm, straightforward way. Geothermal energy might sound complicated, but it’s actually a smart, natural way to keep your home comfortable all year round. Especially for those of us living in New Hampshire’s Lakes Region, the Seacoast, and Southern Maine, geothermal systems can be a game-changer for energy efficiency and cost savings