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Condensing Boilers: Understanding Efficiency Rati...

It seems safe to assume the boilers in many institutional and commercial facilities are not operating as energy efficiently as they could be. What seems less safe to assume is that maintena...

When Should I Change the Air Filter?: What Des Mo...

A part from routine a/c tune ups, replacing the filter for the air conditioner in your home is one of the simplest things a homeowner can do to maintain the unit’s functionality and overall...

3 Easy Ways to Maintain Your Hot Water Heater in ...

Have you ever looked forward to taking a nice, hot shower only to be left shivering underneath the shower head? If so, it’s likely you were the unfortunate casualty of the hot water heater ...

Making the Case for HVAC Retrofits

RICK MARTORANO, Arizona State University, replaced a building control system on campus. "A complete control system was needed due to component failure of the last system," Martorano says. T...

Energy-Efficient Cladding Can Reduce Heating, Coo...

Commercial buildings currently account for roughly 18 percent of the energy use and greenhouse gas emissions in the United States. At current utility rates, this translates to about $63 bil...

4 Tips for Selecting a Room Air Conditioner

Living in Iowa, we get the luxury of fully experiencing all four of our seasons. Our winters are cold so we constantly have to heat our homes and the summers are hot requiring us to use our...

Programmable Thermostats For Your Des Moines Area...

Living in Iowa, we can safely say we experience all four seasons. Winter here is cold, summer here is hot, and spring and fall are in between. What does this mean for your heating and cooli...

Boilers: Maintenance Impacts Energy Efficiency

Despite technology advances and higher efficiency ratings for condensing boilers, managers still need to ensure technicians have the training, time, and resources to maintain them properly....

UV Air Purifiers: Enhancing Air Quality In Your H...

You spend a lot of time in your home, especially in the cold winter months. You’re entertaining, relaxing, sleeping, eating, the list goes on and on. Because you are there so often, it is i...

Measuring the Benefits of HVAC Upgrades

Unless it's a case of outright equipment failure, the reason for an HVAC upgrade is the benefits it will bring. Enhanced efficiency, greater occupant comfort and the public relations boost ...

Energy-Efficient Chillers, Air-Handling Units Dem...

The equipment lineup that has allowed Gateway Medical Center to operate at peak efficiency and optimize IAQ includes three centrifugal chillers, 22 air-handling units featuring variable-spe...

Boiler Controls: Flue-Gas Trim, Sequencing Improv...

It is important to understand when specifying controls that operating efficiency is only one consideration. The control system also must be able to meet the facility's peak heating load whi...

Types of Air Filters for Your Residential HVAC Sy...

With spring in full bloom, now is the perfect time to check your air filter and replace it if you need a new one. Since you read about how often to change your air conditioner filter earlie...

Boiler Safety: Annual Inspection Checklist

States and municipalities require boiler inspections. While some inspection requirements are becoming stricter, they do not cover the entire boiler system, and managers should consider them...

How To Choose a New Air Conditioner for Your Des ...

Spring has sprung in Des Moines, and with the above-average temperatures the entire state of Iowa has been experiencing lately, you want to make sure your air conditioner is in tip-top shap...

Radiator maintenance tips to keep you warm this w...

Radiator maintenance tips to keep you warm this winter 01/22/15The dead of winter is no time for a radiator malfunction. But steam heating systems do not always comply with man's wishes, a...

Your Des Moines Air Conditioning Tune-Up Checklist

You may not be thinking about using your air conditioning mid-February, but to ensure your cooling system runs as efficiently as possible during the summer months, our team at Lenz Heating ...

Are you too busy to save energy?

Are you too busy to save energy? 01/26/15Looking for ways to save energy around the house is one of the most important things a homeowner can do. You save money on your utility bills — som...

Planning and Coordination Helps HVAC Projects Suc...

Facility managers know that major HVAC upgrades can be some of the most difficult projects of their professional careers. There exists tremendous potential for workplace disruption, unantic...

To Repair or Replace Your Furnace? 3 Reasons to C...

Your furnace has really bad timing. It always seems to stop working on Iowa’s coldest day of the year. And there’s nothing worse than dipping into summer vacation savings to fix your furnac...

Three Common Boiler Safety Devices

The safe and efficient operation of boilers and domestic water heaters is essential for the smooth operation of most institutional and commercial facilities. Improvements in designs and con...

Know When (And If) Your Air Ducts Need Profession...

Many Des Moines homeowners wonder how often their air ducts should be cleaned. The HVAC experts at Lenz Heating & Cooling recommend cleaning the air ducts after a large remodel or construct...

Boiler Controls Incorporate Microprocessors, Soli...

The U.S. Department of Energy estimates nearly 80 percent of operating boilers in institutional and commercial buildings are more than 30 years old. Of these, fewer than one-half have under...

Low propane prices mean big winter savings

Low propane prices mean big winter savings 01/19/15Consumers who heat their homes with propane are singing a happy tune this winter. Even as extreme cold grips much of the country, propane...

Why You Should Humidify Your Home this Winter

Although winter doesn’t officially start for another three weeks, the cold weather has already struck here in Iowa. With the furnace heating your home with warm, dry air, the moisture level...

Boiler Safety: Ongoing Training Avoids Potential ...

In spite of the advances in boilers and their supporting systems, accidents still occur, and most of them result from improper operating and maintenance practices. The best design and insta...

Why You Should Dehumidify Your Des Moines Home th...

Do you refer to your basement as damp, dark, or moldy? If so, a dehumidifier might be exactly what you need. No matter what you use your basement for, it’s important to keep your home at th...

Motors: Rewind, Repair, Replace?

Maintenance and engineering managers often choose to rewind or repair a motor when it fails — a common practice with motors greater than 50 horsepower (hp). Even though rewinding a motor co...

Boiler Controls Monitor Heating-System Requiremen...

"Controls technology is evolving at a fairly rapid rate," Connor says. New control systems — combined with installations featuring multiple, smaller boilers rather than one large unit — ena...

Hospital's Aging Core Poses Maintenance, Engineer...

The presence of maintenance and engineering personnel in commercial and institutional buildings — whether in a classroom, an operating suite, or hotel lobby — often creates the perception t...

How to Care for Your Furnace and Your Home During...

If you’re in the Des Moines area, you may have noticed that winter is holding on until the bitter end–and conditions are expected to worsen. While performing routine maintenance on your hom...

Why Now Is the Best Time to Schedule an Air Condi...

Has your air conditioner received its annual tune up? It’s not too late to schedule an a/c maintenance appointment with your favorite Des Moines HVAC contractor. The Des Moines area has bee...