tag: hvac


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Solar In the City

Solar In the City

A renovated Victorian becomes a self sustaining Zero energy home.

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How Quiet is a Mitsubishi VRF AC Compressor?

How Quiet is a Mitsubishi VRF AC Compressor?

Has a noisy AC Compressor outside a bedroom window ever bothered you? Mitsubishi claims to make the quietest AC Compressor on the market. Let's test and see if their claim is true!

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Ductless Minisplits for DIYers

Ductless Minisplits for DIYers

3 comments

An air-source heat pump powers this air-conditioning and heating unit designed for installation by homeowners.

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Why You Should Heat Your Home with an  Air-Source Heat Pump

Why You Should Heat Your Home with an Air-Source Heat Pump

In a presentation at NESEA's 2014 BuildingEnergy conference, Rick Nortz from Mitsubishi Electric explains why modern air-source heat pumps are poised to become the fastest growing segment of the US HVAC industry

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Revolutionary New HVAC Equipment - A Split Dehumidifier!

Revolutionary New HVAC Equipment - A Split Dehumidifier!

14 comments

I'd venture to guess that most houses in the Southern US aren't very comfortable. They are either too cold or too hot! The missing component in HVAC is Dehumidification. Ultra-Aire has a new Dehum that I think is a game changer.

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Cheap Trick - Recessed Dryer Box Model 425 Review

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If you've ever installed a clothes dryer you know the vent at the back is in danger of being choked & pinched the moment you push the unit into place. This little $30 part is worth it's weight in gold!

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How to Use Spray Foam to Meet New Energy Codes in Warm Climates

How to Use Spray Foam to Meet New Energy Codes in Warm Climates

As a builder in the hot and humid South, I regularly use spray foam in my houses. Spray foam makes it much easier to encapsulate my attic (where most HVAC systems in Texas live) so that my ducts are inside the thermal envelope.

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Garage AC - Wrong Way & Right Way

Garage AC - Wrong Way & Right Way

Who wouldn't love their garage to be Air Conditioned? In this video I'll show you two methods to accomplish that cool garage.

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HVAC Duct Sealing and Leak Testing

HVAC Duct Sealing and Leak Testing

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Two experts from Conservation Services Group, Eric Wilder and Will D’Arrigo, explain how to seal duct seams with mastic and how to use a Duct Blaster to test duct tightness

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The Lexus HVAC system - Variable Refrigerant Flow Technology

The "Lexus" HVAC system - Variable Refrigerant Flow Technology

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Air Conditioners are sized for the Hottest day of the year. This results in rather uncomfortable AC about 70% of the time, as well as electric bills that are needlessly high. Enter Variable Refrigerant Flow Technology. This allows your AC to run at any capacity from 15% up to 100%. Join me for a system overview

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Southern HVAC Best Practice Videos

Southern HVAC Best Practice Videos

This is my collection of my 9 best HVAC related videos. Most will be relevant no matter your climate but many speak specifically to best practice for the Southern US.

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I Need a What in my Crawlspace?

I Need a What in my Crawlspace?

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As he makes plans for an addition to his Connecticut house, RickGreg has been told by the local building department he must install a fan in the insulated, unvented crawlspace. Does this mysterious edict make any sense?

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Ventilation Strategies for Houses in the Hot-Humid South: Good/Better/Best

Ventilation Strategies for Houses in the Hot-Humid South: Good/Better/Best

Build tight, ventilate right. I learned that from building science guru Mark LaLiberte. But what is the right way to ventilate a house in Texas (or anywhere in the hot/humid South)? I'll give you my recommendations for three strategies.

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Soon To Be Mine!

Soon To Be Mine!

This is the fireplace I got from Harman Stoves! I'm so exicted for it to come, it will be going in my living room as well. I was looking everywhere for a pellet fireplace insert like this one. I...

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How to Keep a Garage-Shop Toasty Warm

How to Keep a Garage-Shop Toasty Warm

12 comments

Strawmyers knows all about the misery of working in an icy cold pole barn, and with a new attached garage on the horizon he has a chance for more comfortable working conditions. The question is how much to invest in insulation, and how to heat the space

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Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

Indoor-Air Quality and Ventilation for Homes in Hot-Humid Climates

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The weather in the Southern United States poses a unique challenge to the issues of ventilation and indoor-air quality. Here are my opinions and suggestions on how to address these issues if you are building or remodeling in the South.

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Nest Review - Builder Perspective

Nest Review - Builder Perspective

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The Nest thermostat has a ton of buzz, but is it worth the price? In this review you'll hear my perspective as a builder.

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High-Performance Homes Dos & Donts: Mark LaLiberte Seminar Notes

High-Performance Homes Dos & Don'ts: Mark LaLiberte Seminar Notes

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Mark LaLiberte is an amazing building-science teacher. Read my blogging notes from his seminar titled "Building High-Performance Homes Dos & Don'ts," which I attended in Austin, Texas. Remember that this is focused on Texas construction, but there is plenty to learn here for anyone in the U.S.

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Bargain ERV for Hot Climates - Panasonics Whisper Comfort Review

Bargain ERV for Hot Climates - Panasonic's Whisper Comfort Review

In our Hot Humid Texas climate an ERV does a great job of bringing in Fresh Air but rejecting the humidity (Energy) that typically comes with that air. Panasonic's bargain priced ERV is a great choice for fresh air in our climate.

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Texas Deep-Energy Retrofit Remodel

Texas Deep-Energy Retrofit Remodel

When you hear about a deep energy retrofit project most people think of the snowy North Eastern US. I can tell you that the strategy for a Northern remodel with energy efficiency in mind is very different that our strategy for Hot/Humid Texas. In this video I'll show you 6 things we are doing to making a dramatic difference in this 1950's slab on grade house's energy bills.

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