Top-Rated Insulation Pros Near You in Walnut, CA

Attic Efficiency

ducts cleaning for free for every insulation project Attic Efficiency is a locally/owner/family run and operated company. We specialize in all facets of insulation. We are extremely competitive and understand the value of building life long relationships with our customers. Commercial and residential projects welcome. Workmanship guaranteed. Prompt reply to your request. Call today for a free estimate (415) 340-1841.

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Attic Bright

Attic Bright is an insulation company and pest control company that helps clients with insulation issues, rodent etc. We proud to say our prices are the best in the industry.

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ENERGY SEAL FOAM INSULATION

We are a very professional business we have a wide variety of things we do and all is done to perfection.

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Anis Construction Inc.

Founder and General Manager of Anis Construction Inc. Dmitri Anisimov has more than 24 years experience in construction industry doing remodeling, additions and new buildings, working for different commercial and residential construction companies in San Francisco and Bay Area. Our service includes architectural blueprints, consulting, construction permits. We have experienced and professional team and subcontractors to build different types of commercial and residential buildings. We also have handymen who

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Allied Insulation, Inc.

Here at Allied Insulation, we take pride in our attention to detail and care when working on your home. We put great importance in being friendly, professional, and expect nothing more than for you to be fully satisfied with the outcome. Allied Insulation has provided insulation solutions for homeowners, business owners, and contractors in Los Angeles and Orange County since 1980. We are a family owned business with a proven track record of quality installs, excellent service, and flexibility.

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Attic Masters Insulation Services

We specialize in insulation installation and upgrades as well as Attic cleaning. Each of our employees boasts over 10 years of industry experience! We take pride in commitment to the quality of work we produce, and the long-term relationships we build with our clients. We guarantee quality and complete satisfaction.

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Atticare Construction

Atticare is the industry leader in home upgrades with a focus on energy efficiency. With over 9 years of experience, Atticare offers exceptional project management paired with an unmatched level of integrity and customer service. We focus on what matters - making your home healthier, comfortable & more energy-efficient: * Attic & Crawl Space Services * Insulation Removal & Replacement * Roofing * Solar * HVAC * Windows * Exterior Paint WHY CHOOSE US * 98.8% Customer Satisfaction Rate * Licensed & Insured *

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Everguard Home Insulation

Everguard Home Insulation was founded in 1959 as a family business. Today, three generations later, we are proud of our standing in the community. We are licensed, bonded and fully insured.

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Lancaster Insulation, Inc.

We're a well established business with over 20 years of unmatched expertise. Fully licensed, insured, and bonded. Customer preference and priorities are always first. We're very timely with our work and never lose attention to detail. Whether it is an existing home, new construction, remodel, addition, or commercial/industrial building, we have the knowledge and experience to help you with the project. We do not sub-contract and as a result, we can keep our price competitive. We strive to meet and exceed a

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Attic Rescue-Unlicensed Contractor

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer?s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

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About Insulation Pros in Walnut, CA

Proper insulation is essential for maintaining energy efficiency and comfort in Walnut’s unique climate. With hot summers, cooler winters, and the ever-present risk of wildfires, ensuring your home or building is properly insulated isn’t just about comfort—it’s about safety and cost savings. Many homes in Walnut, particularly those built before 1980, were constructed with minimal or outdated insulation, leaving homeowners vulnerable to high energy bills and inconsistent indoor temperatures. Whether you live in neighborhoods like Lemon Heights or near Creekside Park, upgrading your insulation can make a significant difference.

In Walnut, insulation projects must comply with California’s stringent energy standards, including Title 24 requirements, which regulate R-value minimums, air sealing, and ventilation. Our experienced team is familiar with local permitting processes through the City of Walnut Building and Safety Division and can ensure your project meets all code requirements. From blown-in attic insulation, which typically costs $2 to $4 per square foot, to complete home retrofits ranging from $5,000 to $15,000, we provide solutions tailored to your needs and budget.

Given Walnut’s wildfire-prone areas, we also specialize in fire-resistant insulation materials and radiant barriers to enhance safety and energy efficiency. Whether you’re looking for attic insulation, crawlspace sealing, or a comprehensive energy retrofit, our experts are here to guide you through every step, from initial blower door testing to utility rebate coordination. Trust us to help you create a more comfortable, energy-efficient, and code-compliant home in Walnut.

Insulation FAQs

Insulation Pros typically offer a variety of insulation types to suit different needs. These include:

  • Spray Foam Insulation: Great for sealing gaps and providing high R-value thermal resistance.
  • Fiberglass Insulation: Available in batts or loose-fill, a cost-effective and common choice.
  • Cellulose Insulation: Made from recycled materials and often used for attic spaces.
  • Rigid Foam Boards: Ideal for basements or walls requiring a rigid barrier.
  • Reflective or Radiant Barrier Insulation: Popular in warmer regions to manage heat transfer.

Choosing the right insulation depends on your goals, budget, and the area of your home that needs insulation.

The cost of insulation services depends on the type of insulation and the project's scope. Nationwide, homeowners can expect these general price ranges:

  • Spray foam insulation: $1,500–$5,000 (for 1,000 square feet)
  • Fiberglass insulation: $500–$2,500 (for 1,000 square feet)
  • Cellulose insulation: $500–$3,000 (for 1,000 square feet)
  • Rigid foam: $1,500–$4,000 (varies by thickness and installation)

Note: Costs can vary based on Walnut, labor rates, and material prices. It's best to get at least three quotes to compare.

Signs that your home may need better insulation include:

  • High energy bills: Poor insulation often leads to increased heating and cooling costs.
  • Temperature inconsistencies: Rooms that are too hot or cold compared to others.
  • Drafty areas: Air leaks around windows, doors, or attics.
  • Ice dams: In colder climates, ice buildup on roof edges is a sign of poor attic insulation.
  • Difficulty maintaining temperature: Heating and cooling systems working overtime to maintain comfort.

In Walnut, you may also want to consider weather-specific insulation needs, such as higher R-value materials for cold winters or reflective barriers for hot summers.

Yes, reputable insulation contractors, like those in the Insulation Pros network, should always be licensed, bonded, and insured. Licensing requirements can vary by state, so it’s essential to verify whether your contractor meets the local standards. For more details, visit a trusted resource like the National Association of State Contractors Licensing Agencies (NASCLA). This ensures that the work is performed by trained professionals and protects you from potential liabilities.

When speaking with an insulation contractor, ask the following key questions:

  • What type of insulation would you recommend and why?
  • What is the estimated R-value after installation?
  • How long will the project take?
  • Do you offer warranties on materials or labor?
  • Are you licensed, insured, and bonded?
  • Can you provide references or reviews from previous clients?

These questions help ensure you’re hiring a professional who understands your needs and can deliver quality results at a fair price.

The timeline for insulation installation depends on the size of your home and the type of insulation. Generally:

  • Attic insulation: 1–2 days
  • Wall insulation: 2–4 days (for retrofits)
  • Spray foam insulation: 1–3 days

Larger projects or complex services (e.g., removing old insulation) may take longer. Discuss the timeframe with your contractor before work begins to set clear expectations.

Yes, adding insulation can increase your home’s resale value. Improved insulation enhances energy efficiency, which is highly attractive to buyers. According to studies, insulating your attic alone can have a return on investment (ROI) of over 100% in many cases. Buyers also appreciate lower utility bills and improved comfort, making insulation improvements a valuable selling point.

Some warning signs to be cautious of include:

  • Unlicensed contractors: Always verify credentials before hiring.
  • Lack of written estimates: Professional contractors should provide detailed itemized estimates.
  • No references or reviews: Reputable companies have a track record of satisfied customers.
  • High-pressure sales tactics: Be wary of contractors pushing you to decide immediately.
  • No clear explanation of R-values or materials: A competent pro should discuss these details upfront.

In the U.S., insulation materials and installation are often governed by standards like:

  • R-value guidelines: Set by the U.S. Department of Energy, indicating thermal resistance.
  • Building codes: Set regionally, specifying insulation performance requirements.
  • EPA standards: For environmentally safe materials, such as ENERGY STAR-rated products.

For specific guidelines, check the U.S. Department of Energy’s Building Technologies Office, which offers resources to homeowners.

The best type of insulation for homes in Walnut depends on the climate and your home’s needs:

  • Colder climates: Fiberglass batts or spray foam with high R-values are ideal.
  • Warm climates: Radiant barriers or reflective insulation can help manage heat.
  • Humid climates: Spray foam insulation can seal gaps and help control moisture.
  • Mixed climates: A combination of fiberglass and spray foam may work well.

Discuss your Walnut-specific needs with an Insulation Pros expert for a tailored recommendation.

Reviews for Insulation Pros

Lower Bills in Record Time
Our attic was losing heat like crazy, and winter was creeping in. Insulation Pros assessed the situation on a Wednesday and had the job done by Friday morning. Not only is the house warmer, but my heating bill dropped by 30%! Definitely worth it.
Emily R.
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Quiet at Last
Living near the airport was tough due to nonstop noise, but Insulation Pros had a soundproofing solution ready. They worked quickly and we noticed the difference immediately. Finally, our home feels peaceful – best decision ever!
James F.
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Fast Fix, Big Savings
We had sky-high cooling costs due to poorly insulated walls. Insulation Pros showed up within a day of my call, sealed everything up, and now I’m saving hundreds every summer. Their speed and professionalism were just what we needed!
Samantha K.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Dec 18, 2025, 10:31:33 AM