Top HVAC Legacy System Modernization Companies

Discover Legacy System Modernization companies serving the HVAC industry. Compare services, pricing, and capabilities to find the right partner on Edverise.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,482 Companies

Top HVAC Legacy System Modernization Companies

Zilics Ventures Private Limited
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We are a leading technology development partner committed to achieving engineering excellence. At Zilics Ventures, we assist entrepreneurs and companies in creating tailored web applications, mobile apps, and AI-based platforms that operate seamlessly even under significant demand. With extensive kn
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Bengaluru, Karnataka, In
Services Provided+3 Services
14% Custom Web Application Development
10% Mobile App Development (iOS & Android)
5% API Development & Integration
3% E-Commerce Development
AI Summary
“Zilics Ventures Private Limited is a technology partner specializing in custom web, mobile, and AI applications, delivering scalable, secure, and user-friendly digital solutions with engineering excellence.”
IT Consultis
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
IT Consultis (ITC) has been awarded the Greater China Agency of the Year for 2023 with a Gold medal and a Bronze for 2024 in the categories of CRM, Clienteling, and Data. With over 14 years of experience across various sectors (B2C, B2B, B2B2C/B2B2B), we have collaborated with numerous Fortune 500 c
Highlights
50-249
Employees
Shanghai, Cn
Services Provided+12 Services
7% Mobile App Development (iOS & Android)
7% E-Commerce Development
5% Custom Web Application Development
1% Legacy System Modernization
AI Summary
“IT Consultis is a seasoned digital transformation partner offering strategy, CRM, data solutions, marketing automation, e-commerce, system integration, and talent augmentation for diverse industries.”
OnePix
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
⭐ Who We Are: A specialized development agency with a strategic approach. We create and support online platforms and digital solutions utilizing WordPress, WooCommerce, Laravel, and Shopify. Our team combines clean architectural design with business logic to develop scalable options that adapt along
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Miami, Florida, Us
Services Provided+5 Services
8% API Development & Integration
12% E-Commerce Development
8% Custom Web Application Development
3% Mobile App Development (iOS & Android)
AI Summary
“OnePix is a specialized development agency delivering scalable, tailored digital solutions across multiple industries with expertise in WordPress, WooCommerce, Laravel, Shopify, and payment integrations.”
Soluzione
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Assisting Businesses in Creating Scalable Digital Solutions Soluzione is a Microsoft Solutions Partner that specializes in Microsoft Dynamics 365, Power Platform, and custom enterprise software development. Since its inception in 2011, Soluzione has been aiding organizations in transitioning from f
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Bhopal, Madhya Pradesh, In
Services Provided+9 Services
3% QA & Software Testing
8% ERP & CRM Development
3% Mobile App Development (iOS & Android)
3% Legacy System Modernization
AI Summary
“Soluzione, a Microsoft Solutions Partner since 2011, delivers scalable digital solutions across industries through Microsoft Dynamics 365, custom enterprise applications, cloud, AI, and IT consulting globally.”
Yen Digital
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
We offer a range of solutions including: - Product Development - Ideation and Research - Concept Development - User Experience Design - Product Design and Development - Product Support - Technology and Engineering - Web and Mobile Development - Site Reliability Engineering (SRE) and DevSecOps - Bu
Highlights
$25,000+
Min Project Size
$150+/hr
Avg Hourly Rate
50-249
Employees
Los Angeles, California, Us
Services Provided+7 Services
5% Mobile App Development (iOS & Android)
7% Backend Development
5% Frontend Development
3% Legacy System Modernization
AI Summary
“Yen Digital offers comprehensive digital solutions encompassing product development, UX design, cloud and enterprise platforms, AI, data engineering, and project lifecycle management for business optimization.”
Achek
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Achek Digital Solutions is a contemporary technology firm that assists both individuals and businesses in expanding their online presence. Our areas of expertise include website design and development, mobile applications, digital marketing, branding, UI/UX design, hosting, domain registration, cybe
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+8 Services
15% Custom Web Application Development
10% Software Development Services
10% E-Commerce Development
10% Legacy System Modernization
AI Summary
“Achek Digital Solutions offers comprehensive technology services including web and mobile development, digital marketing, branding, cybersecurity, and hosting to enhance online presence for individuals and businesses.”
Altir
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Altir is a product studio that speeds up digital results. Our team consists of innovators from diverse fields such as Product Management, Design, UI/UX Engineering, Platform Engineering, as well as Sales, Marketing, and Go-to-Market strategies. Altir partners with leading companies to develop digita
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
50-249
Employees
San Mateo, California, Us
Services Provided+6 Services
10% Custom Web Application Development
8% SaaS Product Development
3% Legacy System Modernization
5% Frontend Development
AI Summary
“Altir is a product studio accelerating digital innovation by combining expertise in product management, design, engineering, and marketing to rapidly build digital products and businesses.”
Solid State Group
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Solid State Group is a London-based Digital Innovation Agency that has received numerous awards for its work in modernizing critical systems for large corporations and developing agile platforms for startups. We conceptualize ideas and implement them across web, mobile, and connected devices. Our te
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Services Provided+6 Services
6% Mobile App Development (iOS & Android)
10% Legacy System Modernization
8% Custom Web Application Development
1% E-Commerce Development
AI Summary
“Solid State Group is a London-based digital innovation agency specializing in modernizing systems and developing agile platforms for startups and major brands, recognized for innovative technology solutions.”
Zepto Digital Labs
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
At Zepto Digital Labs, we offer a wide array of IT development services that enable businesses to fully harness the advantages of connected systems and devices. Our skilled team has significant experience in designing, developing, and implementing IT solutions across various sectors, including digit
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
14% Custom Web Application Development
5% E-Commerce Development
3% Legacy System Modernization
12% Mobile App Development (iOS & Android)
AI Summary
“Zepto Digital Labs delivers customized IT solutions including web and mobile app development, AI-driven automation, and IT infrastructure services, enhancing efficiency and supporting digital transformation across industries.”
Edenia
View Profile Visit Website
Is this your business? Become an Edverise partner & Claim Now
Introducing Edenia, your reliable ally in pushing the boundaries of the digital landscape. Since our founding in 1987, we have continuously adopted innovative technologies to enhance the security, efficiency, and transparency of the internet. As technology-neutral specialists, we have extensive expe
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
San Jose, San Jose, Cr
Services Provided+2 Services
28% Blockchain & Web3 Development
8% Custom Web Application Development
7% Mobile App Development (iOS & Android)
5% API Development & Integration
AI Summary
“Edenia, established in 1987, specializes in blockchain infrastructure and web3 technologies, enhancing internet security, efficiency, and transparency to advance businesses in the digital era.”

...

...

...

Latest insights & expert perspectives

Explore data-backed surveys with inputs from top industry experts.

Stated minimum project sizes among the firms listed under software development services on Edverise, with the $50,000 band shaded

Vendor Selection

Questions to Ask a Software Development Agency: Six With Proof

A vetting script for second-round agency calls: six questions, the document each answer has to produce, and what a directory listing or a badge really proves.

Nihar Ranjan Rout

10/31/2026

Three software development quotes of $38,000, $94,000 and $210,000 converted to effective hourly rates of $79, $73 and $87.50

Vendor Selection

How to Compare Software Development Quotes Priced 5x Apart

Three bids for the same build are rarely comparable as written. A normalization checklist, a weighted grid adapted from FAR Part 15.3, and the hourly arithmetic.

Akash Mohapatra

10/31/2026

Chart of minimum project size stated by firms listed under AI agent development on Edverise, with the $50,000 band highlighted

Vendor Selection

AI Agent Development Cost: Build, Tokens, Reliability

An AI agent has three costs. Compute the monthly token bill from published list prices, then set the build quote against what listed firms actually charge.

Santanu Prasad Sahoo

10/31/2026

Check All Our Blogs

One Platform. One Promise. One Trust.

Edverise is building the trusted way to find tech vendors. List your company early, or talk to us about backing the platform.