The Home Envelope | Insulation, Air Sealing and More

Why does your upstairs always feel 10 degrees hotter than the rest of your house, even when your air conditioner is running nonstop? In this episode of the Nealon Insulation Podcast, we break down the building science behind one of the most common homeowner complaints. You'll learn why the problem often has little to do with your air conditioner and everything to do with airflow, air sealing,...

In this episode, we take a deep dive into ceiling insulation and why it plays such a critical role in cold-climate homes, especially in Connecticut. From winter heat loss and the stack effect to attic moisture, mold, ice dams, and building code requirements, we break down the science behind keeping homes warmer, safer, and more energy efficient. We’ll explore Connecticut’s current insulation stand...

That dark, musty area beneath your floorboards is easy to ignore, but what if it was secretly costing you money, affecting your home's air quality, and making your living spaces uncomfortable? In this episode, we pull back the curtain on the most neglected part of your home: the crawl space. We dive deep into the fundamental shift in building science—from the traditional "vented" app...

Garages are the most misunderstood space in your home. They’re not quite inside, not quite outside—and if you get the insulation wrong, you feel it everywhere else. In this episode, we break down garage insulation from the ground up—without the fluff. We start with what building codes actually require (and why attached garages are treated differently), then dig into the real-world consequences: co...

This podcast is your comprehensive field guide to navigating the complex world of residential energy efficiency and the 2022 Connecticut State Building Code . Hosted by industry experts, the show breaks down the technical science of insulation into actionable advice for homeowners and contractors alike. Listeners will explore the latest code requirements for Climate Zone 5A , including the shift t...

Mice don’t randomly “find” your house. They follow physics. In this episode, The Mouse Hotel Problem: Insulation, Airflow, and the Real Cost of Rodents , we unpack the overlooked connection between building science and pest intrusion. Warm air rises. Negative pressure pulls. The stack effect turns tiny air leaks into scent highways that guide rodents straight to your rim joists, attic top plates,...

Insulation is supposed to protect your home — not work against it. But when it becomes contaminated, compacted, moisture-damaged, or outdated, it can quietly undermine your air quality, energy efficiency, and even structural integrity. In this episode, we break down exactly when insulation removal is necessary and why simply adding more material on top is often the wrong move. We cover the real ri...

Blown-In Insulation: Building Science Deep Dive is a practical, no-nonsense podcast for homeowners, builders, and energy-efficiency nerds who want to understand what actually works in cold-weather homes. Each episode breaks down the real building science behind blown-in insulation—cellulose, fiberglass, mineral wool, and how they stack up against spray foam—through the lens of Northeast and Connec...

Insulating a historic home is not a matter of doing “more” — it is a matter of doing it right . In this episode, we trace the evolution of insulation in Connecticut homes over the last century, from eelgrass and sawdust to modern R-values and airtight construction. Along the way, we explain why older houses behave differently than new builds, and why applying modern insulation methods without unde...

In this episode we walk through how Connecticut homeowners can tap into the EnergizeCT program — what it is, why it’s offered, and how you actually get the savings. We’ll cover the path from scheduling a home energy audit, to selecting a participating contractor, to submitting the paperwork and collecting rebates (sometimes up to $2 per sq ft or thousands of dollars in total). We also explain the...

Confused by R-values, blower door tests, or when you actually need a vapor barrier? In this episode, we break down the 2025 Connecticut insulation code requirements in plain English. From attic and basement minimums to commercial envelope rules, you’ll hear exactly what inspectors look for, which jobs you can DIY, and when to call in a pro. Whether you’re a homeowner planning upgrades or a contrac...

Connecticut has the fourth-highest electricity rates in the country, and if your bill feels out of control, you’re not imagining it. In this episode, we unpack the Connecticut General Assembly’s 2025 Legislative Research report that explains why . From natural gas dependence and billion-dollar transmission projects to clean energy contracts and state policies, we break down the seven major drivers...

When people think insulation, they picture fluffy stuff in walls and attics. But the real MVP of a comfortable, energy-efficient home? Air sealing. In this episode, we dig into how sealing up the cracks, gaps, and hidden leaks in your home can slash energy bills, stop drafts cold, and keep your insulation actually doing its job. We’ll talk moisture control (goodbye mold), smoother HVAC performance...

Think your attic’s just a dusty storage space? Think again. In this episode, we break down why attic insulation is one of the smartest home upgrades you can make—especially here in Connecticut, where temps swing from freezing to muggy in a matter of weeks. We cover the pros and cons of fiberglass, cellulose, and spray foam, how R-value plays into real-world comfort, and why guessing wrong can mean...

Insulation isn’t just about comfort—it’s one of the most underrated ways to cut your home’s carbon emissions and save serious money on energy bills. In this episode, we dig into how insulation impacts both operational and embodied carbon, why some materials are cleaner than others, and what really makes insulation “eco-friendly.” From cellulose made of recycled newspapers to experimental mushroom-...

Building in Connecticut? Don’t let energy codes slow you down. In this episode, we break down REScheck—the tool that helps homeowners and builders meet energy code without losing their minds (or their budget). Learn how REScheck works, when it’s required, and how to use it to your advantage. Whether you’re adding a dormer, finishing an attic, or starting from scratch, this episode will show you ho...

Let’s cut the fluff—literally. If your home’s drafty in the winter and a sweatbox in the summer, odds are your insulation isn’t doing its job. In this episode, we break down R-value like a real contractor would: no jargon, no nonsense. You’ll learn how to spot the signs of under-insulation, what materials deliver the most bang for your buck, and why shoreline homes need different solutions than in...

If you’ve ever looked at your energy bills and thought, “Why is my attic turning into a sauna every summer and an ice palace every winter?”—you’re not alone. The culprit might be something most folks don’t even know exists: insulation baffles . In this episode, we’re diving deep into one of the most overlooked—and most important—parts of your attic insulation system. Mike shares real stories from...

Your home might be losing energy faster than you think—and heat transfer is to blame. In this episode, we break down how heat moves through your home (conduction, convection, and radiation), what to look for in problem areas like attics, walls, and basements, and how to fix it with smart insulation and sealing. It’s practical, plainspoken, and tailored for Connecticut homeowners looking to save en...

Are you tired of noisy neighbors, barking dogs, or the constant hum of traffic invading your home? Soundproofing doesn’t have to be a luxury—it’s about preserving your peace and sanity. In this podcast, we dive into how the right insulation can help transform your home into a quieter, more comfortable space. We’ll break down the key insulation materials for soundproofing—whether you’re dealing wit...