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VHF SALES, INC.

Celebrating 30 Years of Excellence in HVAC & Hydronic Solutions

Knowledge Hub

Slim, Smart, and Efficient: Topvex TR & FR Energy Recovery Ventilators

Slim, Smart, and Efficient: Topvex TR & FR Energy Recovery Ventilators

Slim, Smart, and Efficient: Topvex TR & FR Energy Recovery Ventilators

Oct 8, 20252 min read

Dunham-Bush ACDS180: A Future-Focused Chiller for Cedar Rapids Airport

Dunham-Bush ACDS180: A Future-Focused Chiller for Cedar Rapids Airport

Dunham-Bush ACDS180: A Future-Focused Chiller for Cedar Rapids Airport

Sep 11, 20252 min read

Industrial Water Heating: More Complex Than It Looks

Industrial Water Heating: More Complex Than It Looks

Industrial Water Heating: More Complex Than It Looks

Aug 11, 20253 min read

SystemAir TopVex Air Handling Units: Compact, Smart, High-Efficiency AHUs

SystemAir TopVex Air Handling Units: Compact, Smart, High-Efficiency AHUs

SystemAir TopVex Air Handling Units: Compact, Smart, High-Efficiency AHUs

7 days ago3 min read

HVAC Design Challenges in Older Midwest Buildings

HVAC Design Challenges in Older Midwest Buildings

HVAC Design Challenges in Older Midwest Buildings

Jun 24 min read

How to Plan for Future Expansion in HVAC Design

How to Plan for Future Expansion in HVAC Design

How to Plan for Future Expansion in HVAC Design

May 253 min read

How We Help Contractors Solve Problems Faster

How We Help Contractors Solve Problems Faster

How We Help Contractors Solve Problems Faster

May 152 min read

Wilo USA Circulators — Efficient, Quiet, Future-Ready Pumps

Wilo USA Circulators — Efficient, Quiet, Future-Ready Pumps

Wilo USA Circulators — Efficient, Quiet, Future-Ready Pumps

May 43 min read

Air Handling Excellence: Custom Units for Demanding Projects

Air Handling Excellence: Custom Units for Demanding Projects

Air Handling Excellence: Custom Units for Demanding Projects

Apr 223 min read

Why Expansion Tanks Fail Prematurely

Why Expansion Tanks Fail Prematurely

Why Expansion Tanks Fail Prematurely

Apr 93 min read

Precision Boilers: Making the Complex Simple

Precision Boilers: Making the Complex Simple

Precision Boilers: Making the Complex Simple

Apr 32 min read

Revolutionizing Cooling Systems: Chillers and Heat Exchangers for Efficient Project Delivery

Revolutionizing Cooling Systems: Chillers and Heat Exchangers for Efficient Project Delivery

Revolutionizing Cooling Systems: Chillers and Heat Exchangers for Efficient Project Delivery

Mar 271 min read

How Equipment Packages Simplify Installation for Contractors

How Equipment Packages Simplify Installation for Contractors

How Equipment Packages Simplify Installation for Contractors

Mar 174 min read

IEC EnviroKIT: A Sustainable Retrofit for Fan Coil Units

IEC EnviroKIT: A Sustainable Retrofit for Fan Coil Units

IEC EnviroKIT: A Sustainable Retrofit for Fan Coil Units

Mar 134 min read

Buffalo Air Handling: Custom Air Handlers Built for Performance & Longevity

Buffalo Air Handling: Custom Air Handlers Built for Performance & Longevity

Buffalo Air Handling: Custom Air Handlers Built for Performance & Longevity

Mar 32 min read

Designing HVAC Systems for Midwest Weather Extremes

Designing HVAC Systems for Midwest Weather Extremes

Designing HVAC Systems for Midwest Weather Extremes

Feb 263 min read

Boiler and Hydronic Innovations: Boosting Reliability in Commercial Builds

Boiler and Hydronic Innovations: Boosting Reliability in Commercial Builds

Boiler and Hydronic Innovations: Boosting Reliability in Commercial Builds

Feb 201 min read

Dedicated Outside Air Systems vs Traditional Makeup Air Units

Dedicated Outside Air Systems vs Traditional Makeup Air Units

Dedicated Outside Air Systems vs Traditional Makeup Air Units

Feb 94 min read

Gray Space Cooling: The Infrastructure That Keeps Data Centers Running

Gray Space Cooling: The Infrastructure That Keeps Data Centers Running

Gray Space Cooling: The Infrastructure That Keeps Data Centers Running

Jan 303 min read

Where to Buy ClimateMaster Heat Pumps in Iowa, Nebraska, Illinois, and the Midwest

Where to Buy ClimateMaster Heat Pumps in Iowa, Nebraska, Illinois, and the Midwest

Where to Buy ClimateMaster Heat Pumps in Iowa, Nebraska, Illinois, and the Midwest

Jan 293 min read

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