Purl's Sheet Metal & Air Conditioning Blog: Archive for the ‘Indoor Air Quality’ Category

How to Improve Indoor Air Quality During Winter

Monday, February 2nd, 2026

Winter brings cooler temperatures and cozy nights indoors, but it also creates ideal conditions for poor indoor air quality. With windows sealed shut and heating systems running nonstop, dust, allergens, and airborne contaminants can build up quickly.

Many homeowners are surprised to learn that indoor air can be more polluted than outdoor air during colder months. Investing in a whole house air purifier in Madera, CA can make a huge difference in comfort, health, and overall air cleanliness throughout the winter season.

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Why Indoor Air Quality Matters More as the Weather Cools

Monday, October 20th, 2025

As cooler weather settles into Fresno, homes begin to close up tight to keep the warmth inside. While that keeps your heating system running efficiently, it also traps air indoors—along with the allergens, dust, and pollutants that build up during fall and winter. At Purl’s Sheet Metal & Air Conditioning, we know that maintaining good indoor air quality (IAQ) is essential for your comfort, health, and overall system performance throughout the heating season.

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What You Need to Know About Indoor Air Quality (IAQ) Around Harvest Season in the Central Valley

Monday, August 4th, 2025

As harvest season arrives in California’s Central Valley, many homeowners notice changes in their indoor environment—sneezing, itchy eyes, stale air, and a persistent dusty smell. These aren’t coincidences. Agricultural activity in the region intensifies during this time, kicking up dust, pollen, and pollutants that directly impact indoor air quality. At Purl’s Sheet Metal & Air Conditioning, we help homeowners prepare for the season with Central Valley indoor air quality services that target the unique challenges of living in a highly active agricultural zone.

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Regular Dryer Vent Cleaning: Why It’s Important

Monday, June 16th, 2025

Most homeowners don’t think twice about their dryer vent—until something goes wrong. But at Purl’s Sheet Metal & Air Conditioning, we know that neglecting dryer vent maintenance can pose serious safety risks and lead to costly inefficiencies in your home. Failing to maintain your dryer vent can create dangerous conditions, including the risk of a dryer fire, carbon monoxide buildup, and mold growth. Professional dryer vent cleaning prevents carbon monoxide exposure for gas dryers, ensuring a safer home environment.

If your clothes take too long to dry, your energy bills are rising, or you’re concerned about fire hazards, regular dryer vent cleaning is a service you can’t afford to overlook. Lint and dust can quickly accumulate inside the dryer duct and other duct systems, making it essential to clean these areas to prevent fire hazards and improve efficiency. Here’s why it’s critical to your home’s safety, comfort, and energy performance, a clean vent presents a safer and more efficient home environment.

Purl’s Sheet Metal & Air Conditioning proudly serves Fresno and the surrounding areas, bringing local expertise to dryer vent cleaning.

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What You Need to Know About Air Filter Strength

Monday, October 28th, 2024
pleated-air-filter

When it comes to improving indoor air quality, many homeowners turn to whole-house air filters in Fresno, CA. But selecting the right air filter strength is more complex than you might think. It’s not just about picking the filter with the highest rating—choosing the wrong one can negatively affect your HVAC system’s performance and efficiency. 

Let’s take a closer look at how filter strength is measured, why it matters. We can help you select the right solution for your home.

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Why We Recommend (Professional) Duct Cleaning

Monday, September 16th, 2024
ductwork-cleaning-with-tech

If you’ve heard anything about duct cleaning, you might wonder if it’s really an important service. The simple answer is: if your home has ductwork, it will need regular duct cleaning. Not necessarily every year, but you will have to get into a regular schedule to have a professional HVAC service come to your home for duct cleaning in Fresno, CA.

We have to emphasize professional. People may think they can do duct cleaning on their own with a long-hose vacuum. Or they may turn to a salesman who offers a suspiciously low quote for duct cleaning but doesn’t have any real credentials. Say “no” to both the salesman and to yourself! This job absolutely needs professionals for it to provide any benefits.

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What Causes Poor Indoor Air Quality in Homes?

Monday, July 22nd, 2024
virus-cells

According to the US Environmental Protection Agency, the air quality inside homes and other buildings is often three to five times worse than the air outdoors. This goes against what most people think of pollution, but it’s true. And low indoor air quality is a serious problem. The EPA lists various short-term and long-term negative effects of indoor air quality, including:

  • Short term: irritation of the eyes, nose, and throat, headaches, dizziness, fatigue
  • Long-term: respiratory diseases, heart disease, cancer

We offer indoor air quality services, such as air filters, for our customers to help them enjoy better health and greater comfort in their homes. In this post, we’ll explain exactly why people need this help: the causes and the sources of low indoor air quality (IAQ).

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Why You Need Regular Dryer Vent Cleaning

Monday, May 27th, 2024
dirty-dryer-vent

At Purl’s Sheet Metal & Air Conditioning, we understand the importance of maintaining all aspects of a home’s heating, ventilation, and air conditioning systems. However, one critical component that homeowners often overlook is the dryer vent. Regular dryer vent cleaning is essential for the safety, efficiency, and longevity of your home appliances. 

We’ll explain what the dryer vent is and why it can become a major hazard without regular professional cleaning. We’ll also help with the signs that it’s time to schedule dryer vent cleaning in Fresno.

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When Should I Schedule Duct Cleaning?

Monday, August 8th, 2022
duct-cleaning-brush

We’re glad you’re asking this question, because far too many homeowners forget that duct cleaning is an important routine service. Air ducts are hidden from sight in a house, making it easy for people to forget them or realize that they may need occasional service like duct testing and duct cleaning.

We offer duct cleaning in Fresno, CA and have many years of experience handling this service. We can help you determine when it’s best to call us to schedule this job, whether as a routine maintenance service or because you’ve got extremely dirty ductwork.

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Have You Had Your Dryer Vent Cleaned Yet This Year?

Tuesday, December 14th, 2021
dirty-dryer-vent
Interior of dirty dryer vent

An important service our team offers customers is dryer vent cleaning in Fresno, CA. This is a job we recommend homeowners have done at least once year. Unfortunately, people often forget to schedule this vital cleaning service—and that’s why we’re glad you stopped by this blog for a reminder. Dryer vent cleaning may not sound like it’s as important as other maintenance jobs like heating system maintenance, but as we’ll explain below, the safety benefits alone make it essential!

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