Simply Efficient Heating and Air Conditioning

(DBA Mayster Heating & Air)

Privacy Policy

Last Updated: March 26, 2026


Simply Efficient Heating and Air Conditioning, doing business as Mayster Heating & Air (“we,” “our,” or “us”), values your privacy and is committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard the information you provide when visiting our website, engaging our services, or communicating with us via phone, email, or SMS.


Information We Collect

We may collect the following types of information when you interact with our business:


  • Personal Information: Name, email address, phone number, physical address, and service details.
  • Service Information: Details about your HVAC system, service requests, appointments, and customer support communications.
  • Phone Number & SMS Consent: By providing your phone number and opting in via our website forms, you expressly consent to receive SMS/text messages from Simply Efficient Heating and Air Conditioning (DBA Mayster Heating & Air) at the number you provide. Consent is not a condition of purchase. You may opt out at any time by replying STOP.
  • Website Usage Information: Information automatically collected from your device, such as IP address, browser type, and website usage activity (via cookies or analytics tools).


How We Use Your Information


Your information is used to:

  • Provide heating, ventilation, and air conditioning services.
  • Schedule and confirm appointments.
  • Communicate service updates, reminders, and promotions (only if you have opted in).
  • Improve our website, services, and customer support.
  • Comply with legal and regulatory requirements.
  • We do not sell, rent, or share your personal information with third parties for marketing purposes.


SMS Communications


By providing your phone number and checking the consent boxes on our website forms, you may consent to receive SMS communications related to:


Message Types:

  • Transactional Messages: Appointment reminders, service confirmations, technician arrival notifications, estimate notifications, invoice alerts, and service completion updates.
  • Promotional Messages: Special offers, seasonal discounts, maintenance reminders, and new service announcements.
  • Service Alerts: Emergency service updates and weather-related advisories.


Message Frequency: Transactional messages are sent as needed based on your service schedule. Promotional messages are sent up to 4 times per month. Overall frequency varies based on your interaction with our services and opt-in preferences.


Message & Data Rates: Standard message and data rates may apply depending on your mobile carrier plan. Check with your carrier for details.


IMPORTANT - No Third-Party Sharing: Your phone number and SMS opt-in information will NOT be shared with third parties or affiliates for marketing or promotional purposes. We may share limited information with service providers (such as our SMS gateway provider) solely to deliver messages to you, but they are not permitted to use your information for any other purpose.


Opt-In

You will only receive SMS messages if you explicitly opt in via our website forms at https://www.callmayster.com. Consent is not required to make a purchase or receive services. You may choose to opt in to transactional messages only, promotional messages only, or both.


Opt-Out

You can stop receiving SMS messages at any time by replying with any of the following keywords:


  • STOP
  • CANCEL
  • UNSUBSCRIBE


You may also opt out by contacting us at support@callmayster.com or calling our office at (253) 525-8798 during business hours. Your opt-out request will be processed immediately.


Data Security

We take appropriate measures to protect your personal information from unauthorized access, disclosure, or misuse. However, no method of transmission over the Internet or electronic storage is 100% secure, so we cannot guarantee absolute security.


Cookies & Tracking

Our website may use cookies and analytics tools to understand how visitors use our site and improve user experience. You may adjust your browser settings to block cookies, but some features may not function properly.


Your Privacy Rights


You have the right to:

  • Request a copy of the personal information we hold about you.
  • Correct or update your information.
  • Request deletion of your personal data, subject to legal or service obligations.
  • Opt out of promotional communications at any time.


Updates to This Policy

We may update this Privacy Policy from time to time. Updates will be posted on this page with a revised date at the top.


Contact Us

If you have any questions about this Privacy Policy or how we handle your information, please contact us at: support@callmayster.com.

Simply Efficient Heating and Air Conditioning

(DBA Mayster Heating & Air)

Terms & Conditions

Last Updated: March 26, 2026


Customers information won’t be disclosed or sold to third parties. 


SMS/Text Messaging Terms & Conditions

By providing your mobile phone number and opting in via our website forms, you agree to receive text messages (SMS) from Simply Efficient Heating and Air Conditioning (DBA Mayster Heating & Air). Message types include:


  • Transactional Messages: Appointment reminders, confirmations, service updates, and invoice notifications.
  • Promotional Messages: Special offers, discounts, and new service updates (only if you have opted in separately).


Message Frequency: Message frequency varies based on your interaction with our services and the type of messages you've opted into.


Message & Data Rates: Standard message and data rates may apply depending on your mobile carrier plan. Check with your carrier for details.


Carrier Disclaimer: Carriers are not liable for delayed or undelivered messages. We may share your phone number with service providers (such as SMS gateway providers) solely to facilitate message delivery. Supported carriers include AT&T, T-Mobile, Verizon, Sprint, and other major US carriers.


Opt-Out: You can stop receiving SMS messages at any time by replying:

  • STOP
  • CANCEL
  • UNSUBSCRIBE


You may also contact us at support@callmayster.comor call our office during business hours to opt out.


Help: For help or questions about SMS messages, reply HELP or email us at support@callmayster.com.


Consent Not Required: You are not required to consent to receiving marketing messages as a condition of purchasing any goods or services from Simply Efficient Heating and Air Conditioning.



1. General Business

Simply Efficient Heating and Air Conditioning (DBA Mayster Heating & Air) provides HVAC services exclusively to residential clients, including diagnostics, installations, maintenance, and repairs.


2. Services Provided

  • Diagnostic Services: Furnace, Air Conditioning, Heat Pump, Thermostat, Mini Split.
  • Installation/Replacement Services: Furnace, Air Conditioning, Heat Pump, Thermostat, Mini Split, Ductwork, Indoor Air Quality.
  • Repair Services: Furnace, Air Conditioning, Heat Pump, Thermostat, Mini Split.
  • Services Not Covered: DIY systems or systems not installed by a licensed HVAC company will not be eligible for repairs or service.


3. Payment Terms

  • Payment is due immediately upon completion of the service.
  • Accepted payment methods include credit cards and debit cards.
  • A 50% deposit is required for all installations.


4. Cancellation Policy

  • Cancellations made less than 24 hours before the scheduled appointment may be subject to a $35 cancellation fee.
  • No-shows or missed appointments may also incur additional charges.


5. Warranty Details

  • Lifetime Craftsmanship Warranty: Covers labor and craftsmanship for the equipment’s lifetime.
  • This warranty is available for installations if the homeowner chooses to receive a Lifetime Craftsmanship Warranty, and it applies specifically to the installed equipment and related workmanship provided by Simply Efficient Heating and Air Conditioning.
  • Warranty Exclusions: Warranty may be voided in cases of negligence or vandalism.
  • Trip Fee: If a homeowner requests a service visit believing the issue is related to our installation or HVAC equipment, and our team determines that the issue is unrelated to our work or equipment, a $99 diagnostic fee will be applied.


6. Liability Limitations

Simply Efficient Heating and Air Conditioning is not liable for:

  • Negligence caused by the homeowner or tenant.
  • Theft or vandalism.
  • Damages caused by adverse weather conditions.


7. Homeowner Responsibilities

  • Homeowners must ensure clear and safe access to the HVAC equipment for servicing and installing.
  • At least one adult (18+) must be present during the service.


8. Dispute Resolution

Any disputes arising from these Terms and Conditions will be resolved through binding arbitration in accordance with applicable laws. By proceeding with any services provided by Simply Efficient Heating and Air Conditioning, the homeowner acknowledges that they have read, understood, and agree to these Terms and Conditions in their entirety.