About Our HVAC Company in Smartsville, CA

For some businesses, a few years in the community is considered a long time. For Dot N Sons Heating & Air, serving local homeowners has been a commitment spanning nearly four decades. Established in 1987, our family-owned HVAC company has built its reputation around residential heating and cooling work, practical solutions, and the kind of local service that comes from knowing the communities you serve.


Based in Smartsville, CA, Dot N Sons Heating & Air works with homeowners throughout Smartsville and surrounding areas in Nevada, Placer, and Yuba counties. Owner Danny Speightsbrings 39 years of HVAC industry experience to every project, with a long-standing license history in the community.


Our work is centered on helping homeowners replace aging equipment, install new systems, and improve the way their homes are heated and cooled. Whether you are considering a furnace changeout, a new AC installation, a Wi-Fi-enabled mini-split, an HVAC retrofit, or a system for new construction, we are here to help you take the next step.


If you are ready to discuss an HVAC project, call or text Dot N Sons Heating & Air at (530) 913-7486 to schedule a same-day estimate.

Two people standing beside a white utility truck parked on a sunny roadside.

Decades of Residential HVAC Experience

Experience That Supports Every Project


With 39 years of industry experience, Danny Speights brings extensive knowledge to residential HVAC installations and replacements. That experience is especially valuable when working with older homes and existing HVAC systems where the right solution may require careful consideration.


Dot N Sons Heating & Air specializes in several areas of residential HVAC work, including:

  • Mini-split installations with Wi-Fi
  • Furnace changeouts
  • New AC installations
  • New construction HVAC
  • HVAC retrofits
  • Residential heating and cooling system upgrades


The goal is not simply to put new equipment in place. It is to help homeowners find an HVAC solution that fits the property and the project's needs.

Serving Smartsville and Nearby Communities

Being local means more than having an address in the area. It means understanding the importance of dependable service for the homeowners and communities around us.

Dot N Sons Heating & Air serves customers in:


  • Smartsville
  • Penn Valley
  • Grass Valley
  • Nevada City
  • Auburn
  • Marysville
  • Yuba City
  • Surrounding areas throughout Nevada County
  • Surrounding areas throughout Placer County
  • Surrounding areas throughout Yuba County


Our regular business hours are Monday through Sunday, 7:00 AM to 7:00 PM, with appointments available by arrangement.

Living room wall with a TV, air conditioner, and green neon clock above a wooden cabinet

Frequently Asked Questions About Dot N Sons Heating & Air

  • When Was Dot N Sons Heating & Air Established?

    Dot N Sons Heating & Air was established in 1987 and has 39 years of HVAC industry experience. The company continues to serve residential homeowners in Smartsville, CA, and surrounding communities.

  • Who Owns Dot N Sons Heating & Air?

    Danny Speights is the owner of Dot N Sons Heating & Air. He brings 39 years of experience in the HVAC industry to the company's residential projects.

  • Is Dot N Sons Heating & Air Family-Owned?

    Yes. Dot N Sons Heating & Air is a family-owned, small local business with a long-standing history of serving the community.

  • What HVAC Services Does the Company Provide?

    Dot N Sons Heating & Air provides residential mini-split installations, furnace changeouts, new AC installations, new construction HVAC, and HVAC retrofits. The company focuses primarily on homeowners replacing or upgrading older and inefficient HVAC systems.

  • Is Dot N Sons Heating & Air Licensed?

    Yes. The company is C20 certified and operates under California license #522206.

  • Where Does Dot N Sons Heating & Air Provide Service?

    The company serves Smartsville, Penn Valley, Grass Valley, Nevada City, Auburn, Marysville, Yuba City, and surrounding areas throughout Nevada, Placer, and Yuba counties.

  • Does Dot N Sons Heating & Air Offer Same-Day Estimates?

    Yes. Same-day estimates are available. Homeowners can call or text (530) 913-7486 to discuss their project and schedule an estimate.

  • What Are the Business Hours?

    Dot N Sons Heating & Air is available Monday through Sunday, 7:00 AM to 7:00 PM. Appointments are available by arrangement.

  • How Can I Contact Dot N Sons Heating & Air?

    You can reach Dot N Sons Heating & Air by calling (530) 913-7486. Homeowners can call or text to ask about HVAC services, discuss a replacement or installation project, or schedule a same-day estimate.

Start Your HVAC Project With a Same-Day Estimate

When your home's HVAC system needs to be replaced or upgraded, getting started can be as simple as making a phone call. Whether you have an aging furnace, need a new AC installation, are interested in a Wi-Fi-enabled mini-split, or are planning HVAC for a new construction project, Dot N Sons Heating & Air is ready to discuss your needs.


We have spent decades working with homeowners and building a small, family-owned business rooted in the local community. That history continues to shape how we approach every project.


For experienced residential HVAC services in Smartsville, CA, and surrounding communities, call or text Dot N Sons Heating & Air at (530) 913-7486 to schedule your same-day estimate.