Air Conditioning and Furnace Blog

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About Rick Welter

Rick Welter is President of Minneapolis based Ray N. Welter Heating Company, specializing in furnace and air conditioning installation, service and repair. The company has been a family owned-and-operated institution for over 100 years. Rick has worked for Welter Heating for over twenty years, and in this time he has installed and repaired hundreds of furnaces and air conditioners. He is also a contributor to the Welter My Shelter Air Tips blog and a volunteer fire fighter in Eden Prairie. You can reach Rick Welter at 612-825-6867
Connect with Rick Welter on social media:

Recent Posts by Rick Welter

HVAC Terms Defined: Heat Exchanger

Close-Up of Gas Burner Flames

Just like our own bodies, the inner workings of our homes are complex. Hundreds of different pieces coming together to give us what we need to survive. 

With our bodies, these pieces include our nervous system, skeletal system, muscular system, and more. With our homes, it comes down to our heating, cooling, and air

Similar to the way a doctor can explain the complex needs of your health, we dedicate our time to translating the HVAC needs of the homes we service. As a part of that work, we’re constantly striving to make sure the words, phrases, and ideas known to our technicians are also clear to the customers they’re serving.

We’ve discussed a few different topics already: BTU, SEER, MERV, zoning systems, fresh air intake, and relative humidity. The topic for today’s post will be heat exchangers: what they are, why they matter, what varieties exist, and how they work. Read more ›

How to Choose the Right HVAC Filters for Your Home

Man in Blue Hard Hat Holding Clean Air Filter

Most HVAC air filters look the same. This can make picking the right one challenging for anyone, even the most DIY-savvy homeowner. 

Without the right prior knowledge, you can become overrun by unanswered questions:

  • Which HVAC air filter best fits my needs? 
  • Does a higher price mean a better product? 
  • Do these filters actually improve the air quality in my home?
  • Which one do I pick?!

Get all these questions – and more – answered below as we walk through the steps you should take when choosing new air filters for your home.
Read more ›

HVAC Terms Defined: Zoning Systems

Posted on July 27, 2021Rick Welter

Woman Adjusting Thermostat

In many technical and service industries, there’s a language that goes beyond normal, everyday understanding. This lingo is unique to the companies and vendors that use it, which usually means that it never meets the ears of the homeowners hiring those companies. Usually that’s no big deal, but sometimes these niche words and phrases should be known by the average person. Why?  Because the more you know before you hire a technician, the easier it becomes to advocate for your needs once they’re in your home. Read more ›

9 Summertime HVAC Maintenance Tips

Posted on July 15, 2021Rick Welter

Couple on Yellow Couch in Room with Air Conditioner on Wall

What do you think of first when someone mentions summer? Is it the bright sun, cool water, and fresh breezes? Time off from work, gatherings with family, vacations, and celebration? At Welter Heating, we think of all of those things, but we also think about HVAC maintenance. Why? Because summer is the perfect time to check up on your home’s HVAC to make sure it’s operating it’s best to keep you and your family cool all season long. Read more ›

HVAC Terms Defined: MERV

Posted on June 28, 2021Rick Welter

Man Changing an Air Filter on Home Ceiling Vent

Each and every service industry has its own lingo. The phrases, words, and definitions that are uniquely familiar to the workers within those industries. Most of the time an average person has no need to know these types of terms. Sometimes, however, like when it comes to repairs or changes made to your home, it’s far better to know what’s going on than not.  Read more ›

About Rick Welter

Rick Welter is President of Minneapolis based Ray N. Welter Heating Company, specializing in furnace and air conditioning installation, service and repair. The company has been a family owned-and-operated institution for over 100 years. Rick has worked for Welter Heating for over twenty years, and in this time he has installed and repaired hundreds of furnaces and air conditioners. He is also a contributor to the Welter My Shelter Air Tips blog and a volunteer fire fighter in Eden Prairie. You can reach Rick Welter at 612-825-6867
Connect with Rick Welter on social media:

Recent Posts by Rick Welter

HVAC Terms Defined: Heat Exchanger

Close-Up of Gas Burner Flames

Just like our own bodies, the inner workings of our homes are complex. Hundreds of different pieces coming together to give us what we need to survive. 

With our bodies, these pieces include our nervous system, skeletal system, muscular system, and more. With our homes, it comes down to our heating, cooling, and air

Similar to the way a doctor can explain the complex needs of your health, we dedicate our time to translating the HVAC needs of the homes we service. As a part of that work, we’re constantly striving to make sure the words, phrases, and ideas known to our technicians are also clear to the customers they’re serving.

We’ve discussed a few different topics already: BTU, SEER, MERV, zoning systems, fresh air intake, and relative humidity. The topic for today’s post will be heat exchangers: what they are, why they matter, what varieties exist, and how they work. Read more ›

How to Choose the Right HVAC Filters for Your Home

Man in Blue Hard Hat Holding Clean Air Filter

Most HVAC air filters look the same. This can make picking the right one challenging for anyone, even the most DIY-savvy homeowner. 

Without the right prior knowledge, you can become overrun by unanswered questions:

  • Which HVAC air filter best fits my needs? 
  • Does a higher price mean a better product? 
  • Do these filters actually improve the air quality in my home?
  • Which one do I pick?!

Get all these questions – and more – answered below as we walk through the steps you should take when choosing new air filters for your home.
Read more ›

HVAC Terms Defined: Zoning Systems

Posted on July 27, 2021Rick Welter

Woman Adjusting Thermostat

In many technical and service industries, there’s a language that goes beyond normal, everyday understanding. This lingo is unique to the companies and vendors that use it, which usually means that it never meets the ears of the homeowners hiring those companies. Usually that’s no big deal, but sometimes these niche words and phrases should be known by the average person. Why?  Because the more you know before you hire a technician, the easier it becomes to advocate for your needs once they’re in your home. Read more ›

9 Summertime HVAC Maintenance Tips

Posted on July 15, 2021Rick Welter

Couple on Yellow Couch in Room with Air Conditioner on Wall

What do you think of first when someone mentions summer? Is it the bright sun, cool water, and fresh breezes? Time off from work, gatherings with family, vacations, and celebration? At Welter Heating, we think of all of those things, but we also think about HVAC maintenance. Why? Because summer is the perfect time to check up on your home’s HVAC to make sure it’s operating it’s best to keep you and your family cool all season long. Read more ›

HVAC Terms Defined: MERV

Posted on June 28, 2021Rick Welter

Man Changing an Air Filter on Home Ceiling Vent

Each and every service industry has its own lingo. The phrases, words, and definitions that are uniquely familiar to the workers within those industries. Most of the time an average person has no need to know these types of terms. Sometimes, however, like when it comes to repairs or changes made to your home, it’s far better to know what’s going on than not.  Read more ›

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